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1

Гладченко, Оксана Робертівна, Оксана Робертовна Гладченко, Oksana Robertivna Hladchenko, and A. Kuzmenko. "Human resource management." Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/16947.

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Murray, Jason Hastings. "Constrained marine resource management." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2007. http://wwwlib.umi.com/cr/ucsd/fullcit?p3274515.

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Thesis (Ph. D.)--University of California, San Diego, 2007.
Title from first page of PDF file (viewed October 3, 2007). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 68-72).
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3

Lundy, Olive. "Strategic human resource management." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292572.

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Ghadse, Sheetal Prakash. "Application-Aware Resource Management." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1299658362.

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5

Valente, Pedro Brigas. "WiFi radio resource management." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23484.

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Mestrado em Engenharia Electrónica e Telecomunicações
Passive optical networks have been subject of research in recent years, standing out from the other distribution networks not only by the speed and distribution of multiple services, including video, data and voice, but also by the absence of active equipment between the central and terminal devices, not requiring the use of electricity. Also the progress made in mobile and "smart" equipment led to the increase of its popularity and personal use. The increase of mobile devices, as well as their features, were boosted by the evolution of WiFi technologies, mostly fueled by passive optical networks, favoring the connection of several devices through radio waves. There has been several improvements in wireless communications, especially in WiFi technology, in order to keep up with the speed increase in optical distribution networks. However the limitations in the frequency spectrum and the vast implementation of the technology itself became an obstacle to the development of WiFi networks. The main goal of this dissertation is the development of processes dedicated to the frequency spectrum management in WiFi networks within environments congestedbymultipleradiosignaltransmitters. Thisworkisdevelopedaround a gateway under development by Altice Labs combining optical network terminal and access point features, and presents a solution to the equipment transmission power management and the frequency channel selection.
As redes ópticas passivas têm sido alvo de grande investigação nos últimos anosdestacando-sedasoutrasredesdedistribuiçãonãosópelavelocidadee distribuição de multiplos serviços, incluindo video, dados e voz, mas também pela ausência de equipamentos activos entre a central local e o equipamento terminal, não sendo necessário o uso de energia eléctrica. Também o avanço que se tem verificado no desenvolvimento de equipamentos móveis e "inteligentes" tem levado a sua popularidade e utilização a crescer de forma constante. Por sua vez, este aumento do número de dispositivos móveis, bem como das respectivas características, foi impulsionado pela evolução da tecnologia WiFi, em grande parte alimentada pelas redes ópticas passivas, facilitando a conexão de múltiplos dispositivos através de ondas de rádio. Têm sido várias as melhorias nas comunicações sem fios, especialmente na tecnologia WiFi, no sentido de acompanhar o aumento da velocidade das redes de distribuição ópticas. No entanto as limitações ao nível do espectro de frequência e a vasta implementação da própria tecnologia têm-se revelado obstáculos ao desenvolvimento das redes WiFi. Esta dissertação tem como objectivo o desenvolvimento de soluções para a gestão do espectro de frequência das rede WiFi em ambientes congestionados pela presença de múltiplos transmissores de sinal rádio. Este trabalho é desenvolvido sob um gateway em desenvolvimento pela Altice Labs que combina as funcionalidades de um terminal de redes ópticas e de um access point, e apresenta uma solução para a gestão da potência de transmissão do equipamento e para a escolha do canal de frequência a utilizar.
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Tunc, Cihan. "Autonomic Cloud Resource Management." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/347144.

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The power consumption of data centers and cloud systems has increased almost three times between 2007 and 2012. The traditional resource allocation methods are typically designed for high performance as the primary objective to support peak resource requirements. However, it is shown that server utilization is between 12% and 18%, while the power consumption is close to those at peak loads. Hence, there is a pressing need for devising sophisticated resource management approaches. State of the art dynamic resource management schemes typically rely on only a single resource such as core number, core speed, memory, disk, and network. There is a lack of fundamental research on methods addressing dynamic management of multiple resources and properties with the objective of allocating just enough resources for each workload to meet quality of service requirements while optimizing for power consumption. The main focus of this dissertation is to simultaneously manage power and performance for large cloud systems. The objective of this research is to develop a framework of performance and power management and investigate a general methodology for an integrated autonomic cloud management. In this dissertation, we developed an autonomic management framework based on a novel data structure, AppFlow, used for modeling current and near-term future cloud application behavior. We have developed the following capabilities for the performance and power management of the cloud computing systems: 1) online modeling and characterizing the cloud application behavior and resource requirements; 2) predicting the application behavior to proactively optimize its operations at runtime; 3) a holistic optimization methodology for performance and power using number of cores, CPU frequency, and memory amount; and 4) an autonomic cloud management to support the dynamic change in VM configurations at runtime to simultaneously optimize multiple objectives including performance, power, availability, etc. We validated our approach using RUBiS benchmark (emulating eBay), on an IBM HS22 blade server. Our experimental results showed that our approach can lead to a significant reduction in power consumption upto 87% when compared to the static resource allocation strategy, 72% when compared to adaptive frequency scaling strategy, and 66% when compared to a multi-resource management strategy.
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Crk, Igor. "Context-Aware Resource Management." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/195573.

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The demand for performance and resources that is placed on the system is dictated by the application alone in non-interactive environments, and by a combination of application and user interactions in interactive environments. Understanding user interaction can provide valuable information about which resources will be needed ahead of time. This leads to performance optimizations such as better resource allocations for applications that can utilize a given resource more productively, and transitioning devices to a more appropriate energy performance state before the demand arrives. The challenge is to provide a performance/energy schedule that best matches the task at hand, since keeping the device in one performance level is not energy efficient due to the continually changing demand placed on the device. This dissertation addresses the challenge of designing energy efficient systems by examining the role of user interaction in energy consumption and in providing an energy-performance schedule that adequately accommodates user demand. It is shown that system performance can be tailored to a user's pattern of interaction and it's energy-performance schedule optimized.First, a detailed design of context capture systems in Linux's X-Window System is presented with an evaluation of the associated storage and computation overheads. Due to the overall low complexity of the application window representations, the overheads of computing interaction identifiers and storing a secondary representation of the application interface within the context capture system are likewise low. Additionally, a Microsoft Windows-based context capture system leveraging the Active Accessibility framework is discussed and applied to improving the navigation of cascading pull-down menus.Secondly, this dissertation addresses the application of interaction capture in energy and delay management of Wireless Network Interface Controllers/Cards (WNICs) and hard drives. The Interaction Aware Prediction (IAP) system for WNICs is evaluated showing that the available power modes can be effectively managed to provide energy efficiency while maintaining performance. Similarly, the Interaction Aware Spin-up Prediction (IASP) uses interaction awareness to reduce or eliminate the interactive delays associated with aggressive hard disk energy management.
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Blackburn, Alan. "The knowledge-based resources built through human resource management practice." Thesis, Lancaster University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418875.

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Mountjoy, Natalie Jones. "COMMUNITY-BASED NATURAL RESOURCE MANAGEMENT: GROUP CAPACITY, RESOURCE MANAGEMENT PLANNING AND ASSESSING SUCCESS." OpenSIUC, 2014. https://opensiuc.lib.siu.edu/dissertations/930.

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Grass-roots conservation efforts, implemented at the local level, have become increasingly popular within the U.S. and abroad. The conservation and natural resource literature has touted these initiatives as more effective when compared to top-down management efforts. As localities are given more responsibility for managing their own natural resources, their ability to do so effectively has become a major concern. I sought to determine the capacity of these community-based natural resource management (CBNRM) groups to contribute to successful ecosystem management in the state of Illinois, with three primary objectives: to determine the primary components of capacity within a CBNRM organization (chapter 2); to identify the relationship between the levels of capacity in a CBNRM organization and the quality of natural resource management planning conducted by the group (chapter 3); and, to evaluate the effects of resource management plans (RMPs) produced by CBNRM groups on the ecological integrity of the prescribed area. This multi-disciplinary project necessitated reliance on the principles of both sociology and ecology, as required by explorations of socio-ecological systems. This dissertation is an attempt to model the success of CBNRM initiatives by examining changes in ecological integrity and attainment of conservation goals. It is my intent that this model can be used by CBNRM groups in Illinois and other contexts to best meet their goals, and by organizations seeking to assist CBNRM groups as an investment guide to determine what type of assistance is most likely to lead to environmental change. I found motivation, leadership, respect, mutual interest/shared values, outreach/education, marketing, communication, planning, funding and equipment/supplies were the most important drivers of CBNRM group capacity. Additionally, my results show that capacity varied significantly among groups with low, moderate and high RMP success, and that group capacity was predictive of the degree of RMP success. Lastly, I found bird indicators increased, especially at the 7-8 year post-RMP mark, providing some evidence of the utility of CBNRM initiatives in affecting positive environmental change.
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Sundberg, Maria Linnea <1993&gt. "Water Resource Management - A qualitative case study of Swedish municipalities water resource management." Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/16496.

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In recent years, water scarcity and water shortage have increased all over the world as a result of high stress on water systems like rivers, lakes and streams. Sweden is a developed country with plenty of available water resources but, due to droughts and less precipitation in recent years, it has experienced enormous negative effects on their water resources. Many local authorities have in the last years been forced to implement water irrigation prohibitions whilst others urged their citizens to be frugal when consuming water distributed to their home in order to not overexploit the resources. Scarce water resources is a local problem and therefore, tools, measures and adaptive strategies needs to be implemented by municipalities. This thesis aim is to analyse what challenges Swedish municipalities face with water resource management towards reducing the risk of water shortage and if they have implemented adaptive strategies. To answer the research questions and to fulfill the purpose of this thesis, a qualitative case study of two municipalities has been conducted. The theoretical framework is based on adaptive management and the analytical tools used was a SWOT-analysis which identifies strengths, weaknesses, opportunities and threats. The SWOT characteristics were further used to establish the challenges that municipalities face with water resource management. This thesis is based on a qualitative case study analysis. The result is based on an analysis of the municipalities water supply plans, their water and waste plans, and through semi structured interviews held with the municipalities Head of the Water and Waste department unit and project managers in the Water and Waste department. Challenges that municipalities face with water resource management are mostly threats that are viewed as external elements. Municipalities implementation of adaptive management strategies due exists in some extent in both cases but seem to be related to how affected they are by water scarcity.
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Anich, Vanessa F., and n/a. "Iwi management plans and consultation under the Resource Management Act 1991." University of Otago. Department of Geography, 1995. http://adt.otago.ac.nz./public/adt-NZDU20070531.125119.

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The Resource Management Act (hereafter �the RM Act�) has significantly changed the statutory framework for natural resource management in New Zealand. It is the result of a three year process of law reform, the largest law reform exercise ever undertaken in this country (M. F. E., 1992). It consolidates into one statute most of the laws that regulate the use of New Zealand�s natural and physical resources. The purpose of the RM Act is the promotion of �the sustainable management of natural and physical resources�. The focus of this Project is the introduction into the RM Act of a number of positive obligations dealing with Maori interests, the principles of the Treaty of Waitangi, consultation, and iwi management plans. The RM Act contains provisions designed to, amongst other things, safeguard Maori heritage interests, make consultation between consent agencies and tangata whenua mandatory in the preparation of local authority plans and policy statements, provide for the delegation of authority to iwi, and to instruct decision makers to take the principles of the Treaty into account when exercising functions and duties under the act. These provisions provide new opportunities for a distinctive Maori dimension to be incorporated into resource management decision making practice. The ability is present within the RM Act to remove some of the barriers that have prevented Maori from participating in decisions on the management of resources. The interest of tangata whenua in natural resource management are now a part of the statutory framework. This has the effect of increasing the interaction, consultation and accountability of iwi and local government when natural resources are managed. The realization of the potential of these iwi provisions in the RM Act will require decision makers and local iwi to develop a working relationship by exploring models of consultation and co-management. For the relationship to be effective, it will need to be based on mutual tolerance and cooperation. The rights and duties in the relationship are complementary and rest with both parties. Long-term sucess will require a commitment from both local authorities and tangata whenua to work together in good faith and with clarity of purpose to develop kaupapa (plan, strategy) for the present and future management of natural resources.
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Fleeman, David T. "Design of a Resource Management Service for the Quality-based Adaptive Resource Management Architecture." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1161882795.

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Sehi, Tamara Grullon. "Human resource professionals' perception of human resources' value to senior management." CSUSB ScholarWorks, 1997. https://scholarworks.lib.csusb.edu/etd-project/1486.

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This study examines and describes the perceptions of human resource professionals about their contribution and that of their departments to strategic planning and management. Human resource leaders from organizations with five hundred or more employees in Southern California responded to this survey. The significance of this study is its potential to increase our understanding of the contribution of the human resource function to strategic planning.
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Lei, Lin. "Intelligent human resource management system." Thesis, University of Macau, 2005. http://umaclib3.umac.mo/record=b1445897.

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Kuganesan, Srijeyanthan. "Distributed Resource Management for YARN." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187044.

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In the last year, Hadoop YARN has become the defacto standard resource management platform for data-intensive applications, with support for a wide range of data analytics platforms such as Apache Spark, MapReduce V2, MPI, Apache Flink, and Apache Giraph. The ResourceManager fulfills three main functions: it manages the set of active applications (Applications service), it schedules resources (CPU, memory) to applications (the FIFO/Capacity/Fair Scheduler), and it monitors the state of resources in the cluster (ResourceTracker service). Though YARN is more scalable and fault-tolerant than its predecessor, the Job-Tracker in MapReduce, its ResourceManager is still a single point of failure and a performance bottleneck due to its centralized architecture. Single point of failure problem of YARN has been addressed in Hops-YARN that provides multiple ResourceManagers (one active and others on standby), where the ResourceManager’s state is persisted to MYSQL Cluster and can quickly be recovered by a standby ResourceManager in the event of failure of the active ResourceManager. In large YARN clusters, with up to 4000 nodes, the ResourceTracker service handles over one thousand heartbeats per second from the nodes in the cluster (NodeManagers), as such become a scalability bottleneck. Large clusters handle this by reducing the frequency of heartbeats from NodeManagers, but this comes at the cost of reduced interactivity for YARN (slower application startup times), as all communication from the ResourceManager to NodeManagers is sent in response to heartbeat messages. Since Hops-YARN is still using a centralized scheduler for all applications, distributing the ResourceTracker service across multiple nodes will reduce the amount of heartbeat messages that need to be processed per ResourceTracker, thus enabling both larger cluster sizes and lower latency for scheduling containers to applications. In this thesis, we will scale-out the ResourceTracker service, by distributing it over standby ResourceManagers using MySQL NDB Cluster event streaming. As such, the distributed Resource Management for YARN that is designed and developed in this project is a first step towards making the monolithic YARN ResourceManager scalable and more interactive.
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Pillutla, Laxminarayana S. "Resource management in wireless networks." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2829.

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This thesis considers resource management issues in wireless sensor networks (WSNs), wireless local area networks (WLANs), and cognitive radio (CR) networks. Since energy is a critical resource in WSNs, we consider energy minimization techniques based on explicit node cooperation and distributed source coding (DSC). The explicit node cooperation based on space time block codes (STBC) improves energy efficiency of WSNs, by reducing the energy consumption per bit of each sensor node. The DSC on the other hand exploits the spatial correlation in WSNs, and thus reduces the data generated in a WSN. For the purpose of our analysis, we model the spatial correlation according to a linear Gauss-Markov model. Through our numerical results, we observe that the node cooperation combined with DSC can improve energy efficiency for many cases of interest. A unique aspect of our work is we obtain important structural results using the concepts from monotone comparative statics. These structural results provide insights into the general design of WSNs. Through our numerical results, we also demonstrate that, the cooperation based transmission can achieve better mutual information (MI)-energy tradeoff than the non-cooperation based transmission scheme. From the perspective of WLANs, we propose a price based approach to regulate the channel occupancy of low rate users, which is known to be the primary cause for low overall throughput in WLANs. Owing to the decentralized nature of WLANs we use non-cooperative game theory as a tool for analysis. Specifically, we use supermodular game theory. Through our analysis, we show that an increase in price leads to an increase in rate of WLAN users. We also prove that the best response dynamics indeed converge to the Nash equilibrium of the underlying non-cooperative game. Through our numerical results, we demonstrate that by proper tuning of the price, the proposed price based approach can lead to an improvement in overall throughput of a WLAN. Finally from the perspective of CR networks, we consider the impact of number of channels captured by a secondary user on its transmission control protocol (TCP) throughput. From our simulation results it was found that, there exists a definite optimal number of channels a secondary user needs to capture, to maximize its TCP throughput.
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Quttoum, Ahmad. "Resource management for virtualized networks." Mémoire, École de technologie supérieure, 2011. http://espace.etsmtl.ca/934/1/QUTTOUM_Ahmad.pdf.

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La virtualisation des ressources a émergé comme une approche prometteuse qui peut être employée pour améliorer l’efficacité des technologies de gestion des ressources dans un réseau. Ainsi, dans ce travail, l’objectif est d’étudier comment automatiser la gestion de la bande passante dans un réseau, tout en utilisant un schéma de partitionnement virtuel des ressources. Dans la littérature plusieurs travaux de recherche ont abordé la gestion des ressources dans le contexte des réseaux virtuels privés, mais chacun a ses limites. Un partage non équitable des ressources, une faible utilisation de la bande passante disponible, faibles profits, l’exagération, et la collusion sont tous des exemples de ces limitations. En effet, l’absence des systèmes capables de garantir un partage équitable de la bande passante entre les utilisateurs, encourage l’exagération en besoin des ressources. C’est-à-dire, un client peut monopoliser les ressources qui sont censées servir les autres utilisateurs. Un partitionnement statique des ressources peut limiter le problème d’exagération, toutefois il peut en résulter une mauvaise utilisation de la bande passante, ce qui signifie des profits moindres pour les fournisseurs de services réseau virtuel. Cependant, le déploiement d’une technologie de gestion de bande passante autonome peut améliorer l’utilisation des ressources, et maximiser le taux de satisfaction des clients. Une telle technologie peut fournit également aux clients une sorte de privilège qui peut être utiliser pour tricher. Ainsi, des actions de tricherie comme la collusion et l’exagération peuvent être adopter par certains clients. Résoudre des telles problèmes est aussi abordé dans ce travail. Dans la première partie de cette thèse, nous nous proposons de résoudre les problèmes de la mauvaise utilisation de la bande passante, des faibles profits pour les fournisseurs de services et les taux de blocage élevés rencontré dans l’approche traditionnelle "Premier arrivé premier servie " (FAFA) . La solution proposée est basée sur un mécanisme de gestion des ressources Autonome (ARMM). Cette solution déploie un algorithme intelligent d’allocation de la bande passante basé sur le mécanisme de vente aux enchères. Pour réduire la tendance de l’exagération, nous proposons d’utiliser la technique Vickrey-Clarke-Groves (VCG), qui consiste en un modèle de menace qui pénalise les clients qui exagèrent leurs besoins en bande passante. La pénalité pour chaque client qui exagère son besoin en bande passante est calculée en se basant sur les désagréments qu’il cause à autrui dans le système. Pour résister à la collusion entre clients, nous proposons de calculer un prix fictif seuil dépendant de l’état du système et en se basant sur la théorie de décision de Markov. En effet, nous calculons pour chaque état du système un seuil de prix de vente pour chaque unité de la bande passante disponible dans le réseau. Tout client offrant un prix de vente par unité de bande passante inférieure au seuil calculé est automatiquement bloqué et ne peut utiliser les ressources du réseau. Dans la deuxième partie de cette thèse, nous nous proposons de résoudre une version élargie du problème d’allocation de la bande passant dans un réseau virtuel privé, et en utilisant une méthodologie différente. Le problème d’allocation de la bande passante est étendu à un problème de partitionnement. Une telle expansion permet de calculer la répartition optimale de la bande passante de chacun des liens du réseau entre les différentes classes de service et de fournir une meilleure utilisation des ressources du réseau. Afin de trouver les paramètres d’une gestion optimale des ressources d’un réseau virtuel privé, le problème est résolu par les techniques de la programmation linéaire (LP). Un schéma de partitionnement dynamique de bande passante est également proposé pour surmonter les problèmes liés au partitionnement statique des ressources telle que un faible taux d’utilisation de la bande passante disponible, qui peut résulter en des partitions sous-utilisées. Ce modèle de partitionnement dynamique est déployé d’une manière périodique. Un partitionnement périodique fournit une nouvelle façon de réduire le raisonnement de l’exagération, par rapport au modèle basé sur la menace de payer une pénalité relative au désagrément posé à autrui. Nous réduisons ainsi le coût lié au calcul de cette pénalité. Dans la troisième partie de cette thèse, nous proposons un système de gestion décentralisé pour résoudre les problèmes mentionnés ci-dessus dans le contexte des réseaux virtuels privés gérés par des opérateurs des réseaux (VNOs).Cette décentralisation permet le déploiement d’un niveau supérieur de la gestion autonome des ressources du réseau, à travers lequel, les responsabilités de gestion sont répartis sur les nuds du réseau, chacun étant responsable de la gestion de ses liens sortants. Comparé aux architectures centralisées, une telle distribution permet une plus grande fiabilité et un dimensionnement de la bande passante plus facile et plus efficace. En outre, il crée un cadre de la concurrence à deux faces qui permet une double vente aux enchères parmi les acteurs du réseau, les clients et les contrôleurs des nuds du réseau. Un tel environnement de compétition offre une nouvelle façon de réduire l’exagération comparée au modèle périodique basé sur la menace de payer une pénalité. Mieux encore, ce nouveau modèle peut offrir des meilleurs taux d’utilisation, un taux de blocage moins élevé et par conséquent des profits pour le fournisseur de service plus importants. Enfin, des simulations numériques et des résultats empiriques sont présentés pour soutenir les solutions proposées, et fournir une comparaison plus éclairée avec d’autres modèles qui ont été proposés dans la littérature.
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Yang, Yichao. "Resource management for cloud computing." Thesis, University of Surrey, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580579.

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Cloud Computing will surpass the Internet in importance; it is a relatively new technology model of Internet-based computing, whereby information, software, storage, servers and networking are provided on demand. According to different end user requirements, such as data or computing intensive applications are applied in cloud environment. Cloud computing makes computing as a utility and has the potential to transform a large part of the IT industry, making software even more attractive as a service and shaping the way in which hardware is designed and purchased. We review this cloud computing technologies, and indicate the main challenges for their development in future, among which resource management problem is pointed out and attracts our attention. Combing the current resource management and broker theories, we present new strategy of how to manage resources to deal with different user requirements of cloud services. We described the related work of resource management and broker architecture in this thesis, accomplishing four major research issues. Firstly, we present cloud resource management framework and service-oriented broker to efficiently utilize potential physical resource such as network, storage and computing resources. This framework provides on-demand service to users and optimizes resource utilization by employing virtualization technology. It has the ability to enhance the system performance and satisfy the many of user request. The service-oriented broker is presented in this framework. It is aim to discover, select and reserve the network and end-system resources. It is able to provide guaranteed service by reservation mechanism to meet user's demand. The several scheduling algorithms are employed for finding best match of combined resources. Secondly, we address the problem caused by failure of job submission in cloud environment. We present dynamic resource selection algorithm under user's QoS requirement which would benefit for selecting the best combined resource for real-time multimedia applications. This algorithm is aim to reduce the job fail rate and efficiently utilize network resource to enhance system performance. Thirdly, we solve the virtual network resource allocation problem in cloud computing. We present virtual network- aware resource scheduling algorithm for real-time multimedia applications that is in order to efficiently utilize physical network resources. This algorithm will reduce the physical network traffic and guarantee the service request of the users. Furthermore, the streaming data will be transmitted from selected data source, and then application performance will be maintained. Fourth, we address meta-job scheduling problem for computation application in cloud environment. We present V -heuristic scheduling algorithms for allocation of virtualized network and computing resource. The objective of these scheduling algorithms is aim to achieve high system throughput, improve load balance and minimize meta-job processing time. From the practical aspect, we develop a simulator which is extended from CloudSim simulator. This simulator offers a simulated environment to model this resource management framework. The CloudSim only concentrate on end-system resource without getting concerned about virtualization, technology and network resource, so that they can accelerate study progress of new cloud technologies.
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Sydow, Victoria. "Clinical Trials - Competitive resource management." Thesis, KTH, Skolan för bioteknologi (BIO), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-149476.

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Shabbir, Noman, and Hasnain Kasif. "Radio Resource Management in WiMAX." Thesis, Blekinge Tekniska Högskola, Avdelningen för signalbehandling, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1227.

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Today, different types of cellular networks are actively working on the radio links. For instance, the Global System for Mobile Communication (GSM) is being used in nearly two hundred countries and currently it has around two and half billion users all over the world. Universal Mobile Telecommunication System (UMTS) is currently deployed in many countries and it is providing increased data rates, coverage and mobility as compared to GSM. Wireless Local Area Networks (WLAN) are very famous when we have a small area and none real time services. Worldwide Interoperability for Microwave Access (WiMAX) is a new technology and it is in deployment phase. In all these cellular technologies, we have very limited recourses and we have to make best use of them by proper management. Radio Resource Management (RRM) is a control mechanism for the overall system which is being used to manage radio resources in the air interface inside a cellular network. The main objective is to utilize the available spectral resources as efficiently as possible. Our aim is to use them in the best possible way to maximize the performance and spectral efficiency in such a way that we have maximum number of users in our network and Quality of Service (QoS) is up to the mark. In a cellular communication system, a service area or a geographical region is divided into a number of cells and each cell is served by an infrastructure element called the base station which works through a radio interface. The frequency license fees, real estate, distribution network and maintenance are the issues which dominates the cost for deploying a cellular network. Management of radio related resources is a critical design component in cellular communications. In RRM, we control parameters like Radio Frequency (RF) planning, link budgeting, modulation schemes, channel access schemes etc. RF planning includes cell planning, coverage of the network and capacity of the network. Our main focus in this thesis will be on cell planning and link budgeting and we will discuss them in context of a WiMAX network.
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21

Ashrafi, Elham. "Human Resource Management at Work." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-24422.

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22

Wahabi, Abdoul Rassaki. "Resource management in IP networks." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52436.

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Thesis (MSc)--University of Stellenbosch, 2001.
ENGLISH ABSTRACT: lP networks offer scalability and flexibility for rapid deployment of value added lP services. However, with the increased demand and explosive growth of the Internet, carriers require a network infrastructure that is dependable, predictable, and offers consistent network performance. This thesis examines the functionality, performance and implementation aspects of the MPLS mechanisms to minimize the expected packet delay in MPLS networks. Optimal path selection and the assignment of bandwidth to those paths for minimizing the average packet delay are investigated. We present an efficient flow deviation algorithm (EFDA) which assigns a small amount of flow from a set of routes connecting each OD pair to the shortest path connecting the OD pair in the network. The flow is assigned in such a way that the network average packet delay is minimized. Bellman's algorithm is used to find the shortest routes between all OD pairs. The thesis studies the problem of determining the routes between an OD pair and assigning capacities to those routes. The EFDA algorithm iteratively determines the global minimum of the objective function. We also use the optimal flows to compute the optimal link capacities in both single and multirate networks. The algorithm has been applied to several examples and to different models of networks. The results are used to evaluate the performance of the EFDA algorithm and compare the optimal solutions obtained with different starting topologies and different techniques. They all fall within a close cost-performance range. They are all within the same range from the optimal solution as well.
AFRIKAANSE OPSOMMING: lP-netwerke voorsien die skaleerbaarheid en buigsaamheid vir die vinnige ontplooing van toegevoegde-waarde lP-dienste. Die vergrote aanvraag en eksplosiewe uitbreiding van die Internet benodig betroubare, voorspelbare en bestendige netwerkprestasie. Hierdie tesis ondersoek die funksionaliteit, prestasie en implementering van die MPLS(multiprotokoletiketskakel)- meganismes om die verwagte pakketvertraging te minimeer. Ons bespreek 'n doeltreffende algoritme vir vloei-afwyking (EFDA) wat 'n klein hoeveelheid vloei toewys uit die versameling van roetes wat elke OT(oorsprong-teiken)- paar verbind aan die kortste pad wat die OT-paar koppel. Die vloei word toegewys sodanig dat die netwerk se gemiddelde pakketvertraging geminimeer word. Bellman se algoritme word gebruik om die kortste roetes tussen alle OT-pare te bepaal. Die tesis bespreek die probleem van die bepaling van roetes tussen 'n OT-paar en die toewysing van kapasiteite aan sulke roetes. Die EFDA-algoritme bepaal die globale minimum iteratief. Ons gebruik ook optimale vloeie vir die berekening van die optimale skakelkapasiteite in beide enkel- en multikoers netwerke. Die algoritme is toegepas op verskeie voorbeelde en op verskillende netwerkmodelle. Die skakelkapasiteite word aangewend om die prestasie van die EFDAalgoritme te evalueer en dit te vergelyk met die optimale oplossings verkry met verskillende aanvangstopologieë en tegnieke. Die resultate val binne klein koste-prestasie perke wat ook na aan die optimale oplossing lê.
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23

Mhiri, Fadoua. "Resource Management in femtocell networks." Paris 6, 2013. http://www.theses.fr/2013PA066136.

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Dans cette thèse, nous proposons des solutions évolutives et entièrement distribuée appelés SOCS, ADAC, TRIPLET « algorithmes » dans une architecture autonome de femtocellules ; telle que réseau d'Entreprise, qui permettent de surmonter les problèmes fondamentales liés à la gestion des ressources dans les réseaux Femtocells: la gestion des interférences, la consommation d'énergie et le Handover. Basé sur l'approche cognitive, nous formulons des systèmes d'optimisation multi-objectifs tout en introduisant des variables entières et des paramètres de pondération pour le contrôle de la puissance transmise, la couverture de la femtocellule, la capacité des canaux, le débit moyen et éventuellement des paramètres pour la mesure de la QoS des utilisateurs. En outre, ces problèmes d’optimisation sont soumis à diverses circonstances atténuantes ainsi, les interférences considérées dans les scénarios simulés sont limitées. L’évaluation de ces systèmes et de ces techniques sont faite dans de telles conditions afin de s'assurer qu'elles sont évolutives et flexibles Grâce à ce travail, nous essayons non simplement d’améliorer le débit moyen des utilisateurs en fonction de leur niveau d’accès et leur QoS dans une Femtocellule, mais aussi de proposer une technique de Handover qui s’adapte aux critères imposés par le réseau d’une part, et celles par l’utilisateur d’autre part. De plus, nous visons dans cette thèse d’optimiser la consommation d’énergie dans le réseau d’Entreprise, assurer une couverture de réseau optimale dans l’Entreprise, améliorer l’efficacité spectrale et réduire l’interférence. Les systèmes et les techniques proposés dans cette thèse permettent d’assurer une efficacité énergétique et spectrale en ajustant et en optimisant la couverture globale des femtocellules tout en améliorant le débit moyen du système
Through this work, we propose some scalable and fully distributed solutions called SOCS, Adac, TRIPLET Algorithms in Autonomic Architecture of Femtocells Network such Enterprise environment, which overcome the basic challenging issues as: interference management, handover and power consumption. Based on cognitive approach, we formulate some multi-objective optimization problems with mixed integer variables for the joint power control, base station assignment, and channel assignments according to user’s QoS. Further, these schemes are subjected to various mitigating circumstances and interference-limited scenarios. The performance evaluations of these schemes are done under such conditions to ensure that they are scalable, flexible and can be considered as a practically viable option. Through this work, we try not just to improve the average throughput experienced by users according to their access level and their QoS in a femtocell, but also to propose a Handover technique that responds to the criteria imposed by the network and by the user. Furthermore, we aim in this thesis; to optimize the energy consumption in the whole network, to ensure optimal network coverage in the Enterprise, to improve the spectral efficiency and to reduce interference. Systems and techniques proposed in this thesis are designed to provide energy and spectral efficiencies by adjusting and optimizing the overall coverage of femtocells while improving the average Throughput of the system
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Capela, Nelson Filipe. "Intelligent and transparent resource management." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/22720.

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Doutoramento em Engenharia Eletrotécnica
Wireless access networks have become available almost everywhere. In the same area we can have access to several networks of the same or di erent technologies that can present di erent characteristics. Alongside the evolution of access networks, we have the evolution of terminals. These are currently equipped with a multitude of wireless interfaces, easier to carry and more accessible to users. In uenced by these features, users began to change the way they use their devices to obtain information. The introduction of these new terminals in environments with several networks brings up a high number of new opportunities. The way that available resources are addressed by the users' terminals needs to evolve to a new level. Users' requirements are increasingly stringent and di cult to ful l; however, even with several available networks at terminals' range, they only take advantage of one of them. In this sense, this Thesis proposes a new reliable, exible, context-, resource-, and mobility-aware architecture that can provide e cient communication in heterogeneous and dynamic environments, using all the available networks resources. The Thesis starts with an analytical analysis in terms of the multihoming and network coding impact on typical wireless networks. It is proposed a new approach that combines these concepts to improve the allocation of network resources and the communication process in heterogeneous technologies. The outcome of this study shows the advantages of using multihoming and network coding in terms of the system performance. Next, we evolve this analytical analysis and propose a dynamic architecture capable of integrating multihoming, mobility and context-information. This is then implemented and evaluated in real scenarios with both Wi-Fi and cellular networks. After the implementation of a functional prototype based on information extracted from the environment, we propose a machine learning process able to predict information based on previous actions. The learning mechanism extracts the required information, creates its owns databases in a dynamic way and identi es when the existing information is enough to perform a good prediction. The outcome of this study demonstrates the signi cant reduction of the overhead, enabling a more scalable process. Finally, we go further in the resources management and integrate and evolve our approach to a real vehicular environment, assuming both the single-hop and multihop con gurations. It is developed the capability to split the tra c through the di erent networks, based on the type of tra c, the networks and vehicles characteristics. Furthermore, it is proposed both a downlink and an uplink multihoming approach and integrated the use of network coding. Through this study, we can observe the positive impact of our resource management approach in the network performance and in the vehicles mobility.
As redes sem os têm-se vindo a tornar acessíveis para os utilizadores nos vários locais onde eles se encontram. Na mesma área geográfica e possível ter acesso a diversas redes, da mesma ou de diferentes tecnologias, as quais podem apresentar características distintas. Paralelamente a evolução das redes de acesso, temos a evolução dos terminais. Estes estão actualmente equipados com múltiplas interfaces de rede, mais fáceis de transportar e mais acessíveis aos utilizadores, o que leva a alteração do modo como estes obtêm informação através dos seus dispositivos. A introdução destes novos terminais em ambientes com múltiplas redes de acesso representa um conjunto elevado de novas oportunidades. O modo como os terminais utilizam os recursos disponíveis necessita de evoluir para um novo patamar. As necessidades dos utilizadores são cada vez mais exigentes e difíceis de garantir; no entanto, mesmo com a presença de diversas redes de acesso ao alcance dos terminais, estes apenas tiram partido de uma delas. Neste sentido, esta Tese propõe uma arquitectura de mobilidade e multihoming flexível, baseada em contexto, capaz de fornecer uma comunicação e ciente em ambientes dinâmicos e heterogéneos. Esta Tese inicia com uma analise analítica referente ao impacto na rede devido a utilização dos conceitos de multihoming e network coding, onde e proposta uma abordagem que combina estes dois conceitos de forma a optimizar a alocação dos recursos e o processo de comunicação. Através deste estudo e possível verificar as vantagens da utilização do multihoming e network coding em termos de desempenho do sistema, e validar os algoritmos propostos para obter uma configuração de ambos os mecanismos de forma optimizada. Seguidamente, como evolução a analise analítica, propomos uma arquitectura dinâmica capaz de integrar multihoming, mobilidade e informação de contexto. Esta foi implementada e analisada em cenários reais assumindo tanto redes Wi-Fi como celulares. Após a implementação de um protótipo funcional baseado na informação extra da do meio-ambiente, o processo como esta mesma informação e extra da sofre uma optimização. Com a adopção do conceito de aprendizagem de máquina, e introduzida a capacidade de efectuar previsões com base em acções passadas. E então proposto um mecanismo de aprendizagem que obtém a informação da rede necessária, cria as suas próprias bases de dados de forma dinâmica, e tem a capacidade de identificar se a informação que tem disponível permite efectuar uma boa previsão do estado da rede. Através deste estudo, e possível verificar uma redução significativa do overhead introduzido na rede para a extracção das suas características, atingindo um processo mais escalável. Porém, de forma a evoluir a nossa abordagem de gestão de recursos, esta foi integrada num cenário real de redes veiculares, assumindo tanto ligações de um salto ou de múltiplos saltos. E desenvolvida a capacidade de dividir o tráfego pelas várias redes tendo em conta o tipo de tráfego em analise, bem como as características da rede e mobilidade do veiculo. Para alem disto, e também proposta uma abordagem de multihoming para tráfego de downlink e uplink, e e integrado um mecanismo de network coding para optimização do desempenho da rede nas varias interfaces. Com este estudo podemos observar o impacto positivo na rede do nosso mecanismo de gestão de recursos com mobilidade, multihoming e network coding.
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25

Arepally, Anurag. "Resource Management in Wireless Networks." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5392/.

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A local call admission control (CAC) algorithm for third generation wireless networks was designed and implemented, which allows for the simulation of network throughput for different spreading factors and various mobility scenarios. A global CAC algorithm is also implemented and used as a benchmark since it is inherently optimized; it yields the best possible performance but has an intensive computational complexity. Optimized local CAC algorithm achieves similar performance as global CAC algorithm at a fraction of the computational cost. Design of a dynamic channel assignment algorithm for IEEE 802.11 wireless systems is also presented. Channels are assigned dynamically depending on the minimal interference generated by the neighboring access points on a reference access point. Analysis of dynamic channel assignment algorithm shows an improvement by a factor of 4 over the default settings of having all access points use the same channel, resulting significantly higher network throughput.
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26

Chen, Xiang. "Resource management in wireless networks." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011549.

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27

Cuervo-Cazurra, Alvaro 1968. "Resource development through the co-evolution of resources and scope." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9765.

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28

Weastell, Lynda. "Promoting sustainable management in local resource management issues." Thesis, University of Canterbury. Geography, 1994. http://hdl.handle.net/10092/10394.

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The Resource Management Act (RMA) 1991 is a much discussed and frequently criticised piece of legislation in New Zealand. The RMA 1991 is much discussed because it is part of a substantial reform of New Zealand's resource management law. It is much criticised because the overall purpose of the RMA 1991 is to promote the sustainable management of natural and physical resources (S.5(1)) but the meaning given to sustainable management in the RMA 1991 (S.5(2)) is ambiguous. These discussions and criticisms focus on the legislation. Little research on promoting sustainable management in the context of resource management practice has been undertaken so far. This research needs to be done because the context of resource management issues and the public planning process will influence how sustainable management is interpreted and applied in resource management practice. This thesis is a comparative analysis of promoting sustainable management in four local government resource management issues: the northern access road issue, Christchurch; underground coal mining at Mount Davy, Rewanui; subdivision of Travis Swamp and Kennedy's Bush Spur, Christchurch; and air access into Westland National Park. The aims of the research are to establish: how sustainable management is being promoted in resource management practice; how important the RMA 1991 and promoting sustainable management is in determining resource management outcomes in the public planning process; and whether promoting sustainable management is resulting in a radical change in resource management practice. The thesis makes three conclusions. Firstly, that while sustainable management is an ambiguous concept a 'working' interpretation is emerging in resource management practice based on managing adverse environmental effects. Secondly, that the RMA 1991 and promoting sustainable management is important to legitimise resource management proposals in terms of the law, but it is not the raison d'etre for these proposals. Thirdly, that promoting sustainable management has resulted in changes in the way in which resource management proposals are assessed, but there are a lot of conitunities in resource management practice despite resource management law reform.
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29

Bullock, Michael L. "Successful Human Resource Outsourcing Strategies." ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/6181.

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Human resource outsourcing (HRO) is a strategic choice that managers implement because of a variety of anticipated benefits. The purpose of this qualitative case study was to identify HRO strategies managers used to reduce operating costs while maintaining human resource (HR) effectiveness. Data were collected from semistructured interviews using open-ended questions and a review of company documents. Study participants represented 3 midwestern firms with 50 or more employees. The participants drawn from the population consisted of a minimum of 2 participants per organization who had increased their organization's strategic value using HRO strategies. The transaction cost economics (TCE) theory was the conceptual framework for this study. Data were analyzed using methodological triangulation to identify codes from words, phrases, and sentences using multiple sources to identify recurring themes. Five key themes emerged: outsourcing strategies, outsourced functions, operational costs, organizational effectiveness, and success measurement. The findings of this study may lead to social change by supporting managers in making HRO decisions conducive to reducing operating costs while maintaining HR effectiveness, which might positively impact social change by providing core function jobs to the local community thereby decreasing unemployment rates.
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30

Lindholm, Rickard. "Analysis of Resource Isolation and Resource Management in Network Virtualization." Thesis, Blekinge Tekniska Högskola, Institutionen för kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11740.

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Context. Virtualized networks are considered a major advancement in the technology of today, virtualized networks are offering plenty of functional benefits compared to todays dedicated networking elements. The virtualization allows network designers to separate networks and adapting the resources depending on the actual loads in other words, Load Balancing. Virtual networks would enable a minimized downtime for deployment of updates and similar tasks by performing a simple migration and then updating the linking after properly testing and preparing the Virtual Machine with the new software. When this technology is successfully proven to be efficient or evaluated and later adapted to the existing flaws. Virtualized networks will at that point claim the tasks of todays dedicated networking elements. But there are still unknown behaviors and effects of the technology for example, how the scheduler or hypervisor handles the virtual separation since they do share the same physical transmission resources.Objectives. By performing the experiments in this thesis, the hope is to learn about the effects of virtualization and how it performs under stress. By learning about the performance under stress it would also increase the knowledge about the efficiency of network virtualization. The experiments are conducted by creating scripts, using already written programs and systems, adding different loads and measuring the effects, this is documented so that other students and researchers can benefit from the research done in this thesis.Methods. In this thesis 5 different methodologies are performed: Experimental validation, statistical comparative analysis, resource sharing, control theory and literature review. Two systems are compared to previous research by evaluating the statistical results and analyzing them. As mentioned earlier the investigation of this thesis is focusing on how the scheduler executes the resource sharing under stress. The first system which is the control test is designed without any interference and a 5 Mbit/s UDP stream which is going through the system under test and being timestamped on measurement points on both the ingress and the egress, the second experiment involves an interfering load of a 5 Mbit/s UDP stream on the same system under test. Since it is a complex system quite some literature reviewing was done but mostly to gain a understanding and an overview of the different parts of the system and so that some obstacles would be able to be avoided.Results. The statistical comparative analysis of the experiments produced two graphs and two tables containing the coefficient of variance of the two experiments. The graph of the control test produced a graph with a quite even distribution over the time intervals with a coefficient of variance difference to the power of 10−3 and increasing somewhat over the larger time intervals. The second experiment with two virtual machines and an interfering packet stream are more distributed over the 0.0025 seconds and the 0.005 seconds intervals with a larger difference than the control test having a difference to the power of 10−2, showing some signs of a bottleneck in the system.Conclusions. Since the performance of the experiments and also the statistical handling of the data took longer than expected the choice was made to not deploy the system using Open Virtual Switch instead of Linux Bridge, hence there is not any other experiments to compare the performance with. But from referred research under related works the researcher concluded that the difference between Open Virtual Switch and Linux Bridge is small when compared without introducing any load. This is also confirmed on the website of Open Virtual Switch which states that Open Virtual Switch uses the same base as Linux Bridge. Linux Bridge is performing according to the expectations, it is a simple yet powerful tool and the results are confirming the previous research which claims that there are bottlenecks in the system. According to the pre-set requirement for validity for this experiment the difference of the CoV would be greater than to the power of 10−5, the measured difference was to the power of 10−2 which gives support to the theory that there are bottlenecks in the system. In the future it would be interesting to examine more about the effects of different hypervisors, virtualization techniques, packet generators etcetera to tackle these problems. A company that have taken countermeasures is Intel who have developed DPDK which confronts these efficiency problems by tailoring the scheduler towards the specific tasks. The downside of Intel’s DPDK is that it limits the user to Intel processors and removes one of the most important benefits of virtualization, the independence. But Intel have tried to keep it as independent as possible by maintaining DPDK as open source.
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31

Szierbowski-Seibel, Klaas [Verfasser]. "The development of the human resource function towards a strategic role - four essays in human resource management focusing on strategic human resource management involvement, human resource outsourcing and human resources mangement and the relationship with organizational performance / Klaas Szierbowski-Seibel." Paderborn : Universitätsbibliothek, 2019. http://d-nb.info/1186785934/34.

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32

Smith, Charity Ruth. "Sexuality education and resource management in the church setting." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/38208.

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Master of Science
School of Family Studies and Human Services
Karen S. Myers-Bowman
This study explores the link between resources and sexuality education within the Lutheran Church Missouri Synod (LCMS). Six churches were involved in this study representing small, medium, and large congregations based on the full-time employed staff. Both church staff and volunteers were interviewed to learn the following: 1) What kind of sexuality education services does the church provide? 2) What are the sexuality education needs of the church membership? 3) What resources are necessary for providing sexuality education? 4) What are the barriers to providing sexuality education? The findings indicate that all churches were providing sexuality education; however, there were great variations. Each church also had unique resources and barriers for providing additional sexuality education for parishioners in various life stages. It was found that resources have a huge impact on the availability of sexuality education within a church setting. These resources were found to be tangible and intangible along with internal and external to the church.
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Houle, James J. "Community decisions about innovations in water resource management and protection." Thesis, University of New Hampshire, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10000397.

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The purpose of this study was to investigate the social, economic and technological factors that influence rates of adoption of innovative stormwater management approaches in municipal organizations in the Great Bay watershed, NH. The scope of this study was to investigate how innovations spread through municipal populations in a specific region and watershed area of the US. The methodology used mixed qualitative methods, including semi-structured interviews, case studies, and surveys to examine perceptions, attitudes, and beliefs that influence the adoption of innovative stormwater management solutions, as well as the governance characteristics of municipalities at different stages of adoption. Major findings include: adopter categories can be relatively easily and quickly categorized into early and late majorities as a preliminary means to identify populations of ready and willing audiences interested in and capable of advancing innovations; early and late adopter classifications followed general diffusion theory, but differed in substantial ways that could influence overall project or program success; and finally that early majority communities have more internal and external capacity to advance innovations as well as higher levels of peer-to-peer trust to offset perceptions related to economic risk that can either advance or stall innovative stormwater management solution adoption. This research offers insights on how to allocate scarce resources to optimally improve water quality through stormwater management solutions, and makes recommendations for how to effectively and efficiently generate greater understanding of complex barriers to adoption that thwart innovation in municipal governance organizations. One significant implication is that agents of change who want to move innovations through a broad municipal population should focus their efforts on working with innovators and early adopters that have status within relevant peer networks and who have capacity to evaluate the strengths and weaknesses of innovations.

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Tanner, Andreas. "Distributed resource management with monetary incentives." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=976429969.

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Hovestadt, Matthias. "Service level agreement aware resource management." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=983284571.

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36

Goiri, Íñigo. "Multifaceted resource management on virtualized providers." Doctoral thesis, Universitat Politècnica de Catalunya, 2011. http://hdl.handle.net/10803/80487.

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Last decade, providers started using Virtual Machines (VMs) in their datacenters to pack users and their applications. This was a good way to consolidate multiple users in fewer physical nodes while isolating them from each other. Later on in 2006, Amazon started offering their Infrastructure as a Service where their users rent computing resources as VMs in a pay-as-you-go manner. However, virtualized providers cannot be managed like traditional ones as they are now confronted with a set of new challenges. First of all, providers must deal efficiently with new management operations such as the dynamic creation of VMs. These operations enable new capabilities that were not there before, such as moving VMs across the nodes, or the ability to checkpoint VMs. We propose a Decentralized virtualization management infrastructure to create VMs on demand, migrate them between nodes, and checkpointing mechanisms. With the introduction of this infrastructure, virtualized providers become decentralized and are able to scale. Secondly, these providers consolidate multiple VMs in a single machine to more efficiently utilize resources. Nevertheless, this is not straightforward and implies the use of more complex resource management techniques. In addition, this requires that both customers and providers can be confident that signed Service Level Agreements (SLAs) are supporting their respective business activities to their best extent. Providers typically offer very simple metrics that hinder an efficient exploitation of their resources. To solve this, we propose mechanisms to dynamically distribute resources among VMs and a resource-level metric, which together allow increasing provider utilization while maintaining Quality of Service. Thirdly, the provider must allocate the VMs evaluating multiple facets such as power consumption and customers' requirements. In addition, it must exploit the new capabilities introduced by virtualization and manage its overhead. Ultimately, this VM placement must minimize the costs associated with the execution of a VM in a provider to maximize the provider's profit. We propose a new scheduling policy that places VMs on provider nodes according to multiple facets and is able to understand and manage the overheads of dealing with virtualization. And fourthly, resource provisioning in these providers is a challenge because of the high load variability over time. Providers can serve most of the requests owning only a restricted amount of resources but this under-provisioning may cause customers to be rejected during peak hours. In the opposite situation, valley hours incur under-utilization of the resources. As this new paradigm makes the access to resources easier, providers can share resources to serve their loads. We leverage a federated scenario where multiple providers share their resources to overcome this load variability. We exploit the federation capabilities to create policies that take the most convenient decision depending on the environment conditions and tackle the load variability. All these challenges mean that providers must manage their virtualized resources in a different way than they have done traditionally. This dissertation identifies and studies the challenges faced by virtualized provider that offers IaaS, and designs and evaluates a solution to manage the provider's resources in the most cost-effective way by exploiting the virtualization capabilities.
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37

Agarwalla, Bikash Kumar. "Resource management for data streaming applications." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34836.

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This dissertation investigates novel middleware mechanisms for building streaming applications. Developing streaming applications is a challenging task because (i) they are continuous in nature; (ii) they require fusion of data coming from multiple sources to derive higher level information; (iii) they require efficient transport of data from/to distributed sources and sinks; (iv) they need access to heterogeneous resources spanning sensor networks and high performance computing; and (v) they are time critical in nature. My thesis is that an intuitive programming abstraction will make it easier to build dynamic, distributed, and ubiquitous data streaming applications. Moreover, such an abstraction will enable an efficient allocation of shared and heterogeneous computational resources thereby making it easier for domain experts to build these applications. In support of the thesis, I present a novel programming abstraction, called DFuse, that makes it easier to develop these applications. A domain expert only needs to specify the input and output connections to fusion channels, and the fusion functions. The subsystems developed in this dissertation take care of instantiating the application, allocating resources for the application (via the scheduling heuristic developed in this dissertation) and dynamically managing the resources (via the dynamic scheduling algorithm presented in this dissertation). Through extensive performance evaluation, I demonstrate that the resources are allocated efficiently to optimize the throughput and latency constraints of an application.
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38

Tran, Giang Son. "Cooperative resource management in the cloud." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/11827/1/tran.pdf.

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Recent advances in computer infrastructures encourage the separation of hardware and software management tasks. Following this direction, virtualized cloud infrastructures are becoming very popular. Among various cloud models, Infrastructure as a Service (IaaS) provides many advantages to both provider and customer. In this service model, the provider offers his virtualized resource, and is responsible for managing his infrastructure, while the customer manages his application deployed in the allocated virtual machines. These two actors typically use autonomic resource management systems to automate these tasks at runtime. Minimizing the amount of resource (and power consumption) in use is one of the main services that such cloud model must ensure. This objective can be done at runtime either by the customer at the application level (by scaling the application) or by the provider at the virtualization level (by migrating virtual machines based on the infrastructure’s utilization rate). In traditional cloud infrastructures, these resource management policies work uncoordinated: knowledge about the application is not shared with the provider. This behavior faces application performance overheads and resource wasting, which can be reduced with a cooperative resource management policy. In this research work, we discuss the problem of separate resource management in the cloud. After having this analysis, we propose a direction to use elastic virtual machines with cooperative resource management. This policy combines the knowledge of the application and the infrastructure in order to reduce application performance overhead and power consumption. We evaluate the benefit of our cooperative resource management policy with a set of experiments in a private IaaS. The evaluation shows that our policy outperforms uncoordinated resource management in traditional IaaS with lower performance overhead, better virtualized and physical resource usage.
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39

Elkotob, Muslim. "Efficient and systematic network resource management." Doctoral thesis, Luleå tekniska universitet, Datavetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17190.

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The demand for network resources (e.g. forwarding capacity, buffer space) by increasingly used real-time multimedia applications is growing. Moreover, their stringent performance requirements (e.g. delay and jitter bounds) pose challenges on network resource management (RM). RM determines how available resources are modeled and distributed to achieve a performance goal such as assuring forwarding quality to real-time multimedia applications. Improvements to existing RM mechanisms can avoid performance limitations of networks by facilitating more efficient use of scarce resources. For example, in a vehicular to infrastructure (V2I) communication scenario that uses IP Multimedia Subsystem (IMS) lacking RM support for multicast, the 3G downlink quickly becomes a bottleneck although some information is addressed to multiple receivers. The main goal of this thesis is to develop RM algorithms and protocols that improve forwarding capacity utilization and remove performance bottlenecks. An additional goal is to improve the scalability of existing RM mechanisms. Three architectural paradigms are covered to demonstrate the advantages of efficient and systematic network RM: open access networks (OAN), next generation networks (NGN), and heterogeneous access networks (HAN). For OAN, a cross-layer signaling technique called parameter injection was developed. It reduces the signaling overhead and update time for real-time multimedia sessions over Wi-Fi while autonomously selecting the format and CODEC that best match the current resource settings. Within NGN, a resource management protocol is proposed for extending unicast signaling in IMS with multicast capabilities. The contribution uses adaptive and dynamic group size selection to improve resource utilization on the 3G downlink for the signaling and data planes. For HAN, an algorithm is proposed that predicts the best access network for achieving the highest QoE of a real-time multimedia session with the available QoS resources based on regression and statistical learning. In all three paradigms, the provided core contributions serve the common goal of achieving a performance edge in terms of efficiency and systematic operation with a limited amount of network resources.

Godkänd; 2011; 20110207 (ysko); DISPUTATION Nedanstående person kommer att disputera för avläggande av teknologie doktorsexamen. Namn: Muslim Elkotob Ämnesområde: Mobila system/Mobile Systems Avhandling: Efficient and Systematic Network Resource Management Opponent: Professor Anna Brunström, Institutionen för datavetenskap, Karlstads universitet Ordförande: Docent Christer Åhlund, Institutionen för system- och rymdteknik, Luleå tekniska universitet Tid: Fredag den 18 mars 2011, kl 10.00 Plats: A1514, Luleå tekniska universitet

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40

Tang, Sidney. "Substainable water resource management in Singapore." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envt164.pdf.

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Bibliography: leaves 61-64. This thesis reviews the sustainability of water resource management in Singapore and adequacy of the water conservation efforts put up by its government, population and industries. The write-up deliberates on the various trans-national water issues faced by the small Republic, interactions within its water sector and with the rest of the economy, management of its water supply and demand, as well as the various problems and challenges confronted by the country. This study is intended to highlight the relative wisdom of reducing water demand over pursuing supply solutions.
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41

Jiyapanichkul, Prasit, and jiyapanichkul@yahoo com. "Resource management in broadband multimedia networks." Swinburne University of Technology. Laboratory for Telecommunication Research, 1999. http://adt.lib.swin.edu.au./public/adt-VSWT20050610.100950.

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This research deals with optimal resource management in an overloaded broadband multimedia network. Optimisation is with respect to user satisfaction, where user satisfaction reflects both the quality of service experienced by connected users and the dissatisfaction of users blocked from access to the network. The research focuses on Asynchronous Transfer Mode (ATM) networks and the Internet, because these are the dominant emerging broadband networks which present some fundamental unsolved problems, related to the sharing of resources between mixed traffic types. ATM networks use conservative admission control, which protects network resources and ensures a high level of service for those admitted to the network, but results in low network efficiency because of low utilisation of resources due to blocking of many potential users. The Internet does not use admission control, with the result that performance degrades progressively as load increases. This causes frustration among users, and lowers the network efficiency due to high levels of congestion. We propose an optimisation model for each network (ATM networks and the Internet)which is intended to represent the distribution and consumption of key network resources by different traffic types. The model is aimed at maximising performance such that users admitted to the network are offered no less than some minimum acceptable level of quality of service (QoS). The solution is a set of traffic flow rates on each path which results in maximising an objective function value (revenue based on network operator interest or throughput based on customer interest) for a given network configuration with given user demand. As an example using the ATM network model, we illustrate the application of the model to an ATM network carrying both connection oriented and connectionless traffic. We explore the optimal response to a link failure which in turn causes node overload. As an example using the Internet model, we consider an overloaded network with link bottlenecks and an overloaded Web server, and explore the effect of transferring some server capacity to a mirror site and a proxy server. For real-time traffic control, the optimisation model is used to assign quotas for bandwidth or connections to selected paths. A control algorithm is implemented to provide maximum performance by admitting requests within the quotas which are obtained from the optimisation model. In an ATM network simulation, the algorithm is used to manage the virtual path (VP) pool in a network which suffers a link failure. A comparison is made between fixed virtual path management (FVPM) and dynamic virtual path management (DVPM), comparing the revenue achieved by each. This illustrates how DVPM adapts the VP pool in a robust fashion to achieve maximum revenue in the face of a link failure. However, the transient response suggests that benefit could be obtained using non-steady-state solutions. The model is extended by taking network state and traffic parameters into account to control changes in the VP pool to recognise limits to the rate at which traffic can be moved (through the natural birth-death processes). This scheme is called state dependent virtual path management (SDVPM). Performance evaluation of the new model shows that SDVPM achieves higher revenue than DVPM when the network suffers a link failure that requires a major change to the VP pool. In an Internet simulation, two algorithms are compared for control of access to a proxy server and a set of primary servers. An algorithm based on optimal flow solutions provides substantially better network performance than a localised heuristic algorithm. In each simulation case (ATM and Internet examples), the performance using a control system based on the steady state optimum flow model is close to the ideal optimal result.
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42

Goemans, Christopher. "Three essays on water resource management." Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3219027.

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43

Patel, Bhavisaben. "A hospitality resource booking management system /." Leeds : University of Leeds, School of Computer Studies, 2008. http://www.comp.leeds.ac.uk/fyproj/reports/0708/PatelB.pdf.

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44

Mobeen, Shariq. "A Topologically Aware Resource Management System." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-139949.

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As companies fight for market share whoever is able to bring products to market faster has an advantage over their competitors. Therefore it is absolutely essential to constantly evaluate and optimize processes to achieve shorter time-to-market for products. These optimizations have to be carried out in all parts of a company. This thesis describes one such attempt made by a Swedish telecommunication vendor focused on enabling a resource management system to gain a greater understanding of the resources available during testing. This system manages all of the hardware utilized by the users, software testers, within one particular part of the organization and aids users by automatically converting the information stored in its database into a configuration file that will later be used in the testing framework’s execution environment. Unfortunately, the current version of this resource management system lacks semantic understanding of the information necessary to automatically generate the configuration file, leaving a rather large part of the configuration file to be manually entered by the testers, a rather time-consuming task. The inability to completely automate the process means that the testing process is slower, more error prone, and increases the work needed for a new engineer to become a productive software tester. In order for the resource management system to automatically generate the configuration file it needs to know not only which resources it is managing, but must also how these resources are interconnected, i.e. the topology of the resources. For this reason this thesis describes how to make the resource management system topologically aware, thus making verification of the System under Test (SUT) more efficient and mitigating the problems mentioned above. This thesis does not deal with the intricate details of how to automatically extract the topology, as this is inherently domain specific and thus difficult to generalize. Rather, this thesis focused on how to allow users to custom-build their desired topology by defining a set of rules that restrict how resources can be interconnected. The goal of providing functionality for storing and retrieving topological information from database has been successfully achieved, and the resulting code has been integrated into the existing resource management system. However, the functionality has not yet been delivered because of a limitation in our front controller that stops us from providing an efficient web interface to our tool. After delivery the implemented solution is expected to remove most manual work related to test configuration and therefore also reduce the learning curve for new engineers.
När företag slåss om marknadsandelar har de som kan leverera produkter till marknaden snabbare en fördel över sina konkurrenter. Det är därför av högsta vikt att kontinuerligt utvärdera och optimera processer för att produkten snabbare skall nå marknaden. Dessa optimeringar måste utföras inom samtliga områden inom ett företag. Denna uppsats beskriver ett sådant försök av ett svenskt telekombolag att stärka ett resurshanteringssystem för att uppnå en högre förståelse för de resurser den hanterar. Detta system hanterar samtlig hårdvara för användare (mjukvarutestare) inom en del av organisationen. Det hjälper användarna att automatiskt konvertera informationen i sin databas till en konfigurationsfil som används i testramverkets exekveringsmiljö. Tyvärr saknar den nuvarande versionen den semantiska förståelsen av dess data för att kunna automatiskt generera konfigurationsfilen, vilket tvingar användaren att manuellt ägna sig åt denna tidskrävande uppgift. Oförmågan att inte kunna automatisera fullt ut innebär att den övergripande testprocessen är långsammare, mer felbenägen och ökar tiden det tar för en ny ingenjör att komma igång och bli en produktiv mjukvarutestare. För att resurshanteringssystemet ska kunna generera konfigurationsfilen automatiskt krävs inte bara kunskap om vilka resurser den hanterar utan också hur dessa är sammankopplade. Det vill säga hur de topologiskt relaterar till varandra. Den här uppsatsen beskriver därför hur ett resurshanteringssystem kan bli topologiskt medvetet och därigenom åstadkomma en mer effektiv testning av produkten och därmed överkomma de tidigare nämnda problemen. Denna uppsats inte gå in på detaljer om hur man extraherar den topologiska strukturen av resurser eftersom detta i sin natur är domänspecifikt och därigenom svårt att generalisera. Fokus istället ligga på hur man kan tillåta användare att bygga önskad topologi genom att definiera regler för hur olika resurser kan sammankopplas. Målet vi satte upp med att kunna lagra och inhämta topologisk information från en databas har med framgång integrerats i det existerande resurshanteringssystemet. Ändringen är dock ännu inte fullt ut levererad på grund av en begränsning i vår nuvarande front controller som hindrar oss från att på ett effektivt sätt koppla samman vårt nya verktyg med ett webbgränsnitt. Efter leverans förväntas den implementerade lösningen eliminera större delen av det manuella arbete som tidigare krävts i samband med konfiguration av testmiljön, och därigenom även minska inlärningskurvan för nya ingenjörer.
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45

Parsa, Seyed Jafar Sadjadi. "Human resource management in shipping industry." Thesis, London Metropolitan University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499581.

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Human Resource Management (HRM) is a new system of managing employees in the orgamsation. The use of this system and its models is growing very fast among companies in different industries. The outcomes of a proper HRM modeJ are business ice, customer satisfaction and employee commitment. There are factors, e if an appropriate model of HRM is not practiced in a company. These include but not are limited to high staff turnover, stress, ageing workforce and gender diversity. This research examines the implementation of HRM in the shipping industry.
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46

Cai, Wei. "Reconfigurable resource management in grid computing." Thesis, Lancaster University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507276.

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47

Schrock, Christopher T. "Bandwidth Management in Resource Constrained Networks." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6866.

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Hastily Formed Networks (HFNs) are typically deployed in resource constrained environments. Clients operating within HFNs have inadvertently utilized excessive bandwidth without user interaction. Our research focuses on managing bandwidth usage in resource constrained networks through the use of DNS Tampering, a method of content filtering. We evaluate two operating systems, Windows XP and Windows 7, and analyze how it may be possible to limit operating system updates utilizing DNS Tampering. We then explore how it may be possible to implement this technique utilizing equipment available for an HFN. Through our efforts, we develop and set forth specific methodologies that can provide the opportunity to limit bandwidth usage for specific applications in resource constrained networks.
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48

Neugebauer, Rolf. "Decentralising resource management in operating systems." Thesis, University of Glasgow, 2003. http://theses.gla.ac.uk/4118/.

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This dissertation explores operating system mechanisms to allow resource-aware applications to be involved in the process of managing resources under the premise that these applications (1) potentially have some (implicit) notion of their future resource demands and (2) can adapt their resource demands. The general idea is to provide feedback to resource-aware applications so that they can proactively participate in the management of resources. This approach has the benefit that resource management policies can be removed from central entities and the operating system has only to provide mechanism. Furthermore, in contrast to centralised approaches, application specific features can be more easily exploited. To achieve this aim, I propose to deploy a microeconomic theory, namely congestion or shadow pricing, which has recently received attention for managing congestion in communication networks. Applications are charged based on the potential "damage" they cause to other consumers by using resources. Consumers interpret these congestion charges as feedback signals which they use to adjust their resource consumption. It can be shown theoretically that such a system with consumers merely acting in their own self-interest will converge to a social optimum. This dissertation focuses on the operating system mechanisms required to decentralise resource management this way. In particular it identifies four mechanisms: pricing & charging, credit accounting, resource usage accounting, and multiplexing. While the latter two are mechanisms generally required for the accurate management of resources, pricing & charging and credit accounting present novel mechanisms. It is argued that congestion prices are the correct economic model in this context and provide appropriate feedback to applications. The credit accounting mechanism is necessary to ensure the overall stability of the system by assigning value to credits.
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Bridges, Sarah Joanne. "Organisational performance and human resource management." Thesis, University of Newcastle Upon Tyne, 2002. http://hdl.handle.net/10443/443.

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Over the last 20 years there has been a growth in the relative importance of personnel economics as an area of economics. However, due to a lack of suitable data most of the work in this area has been largely theoretical. It is only in the past decade that there has been a growth in the availability of firm-based data sets, making it possible for researchers to begin to test some of these ideas empirically. This thesis analyses data from a rich source of monthly personnel and payroll records from a large banking sector firm. The data is confined to the organisation's U. K operations and is available over the period January 1989 to March 1997 (giving 99 monthly observations). Although personnel data of this this sort is available for the US (see, for example, Baker, Gibbs and Holmstrom (1994) and Lazear (1999)), this is one of the first data sets of its kind to be available for the U. K. This thesis focues on three areas of personnel economics. It analyses the issues of promotion, absenteeism, and labour turnover, paying particular attention in all three cases to gender differences.
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50

Kidger, P. J. K. "Human resource management in multinational enterprises." Thesis, University of Salford, 1999. http://usir.salford.ac.uk/14789/.

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The multinational enterprise (MNE) is now a significant part of the world economy both in temis of trade and employment. The performance of an MINE is in part dependent on the capability of its human resource. The knowledge and experience of employees is a source of competitive advantage, but whether this is realised or not may depend on having the right human resource policies. Managers therefore seek to implement best practice, and in multinationals there is the potential for intraorganizational learning across national boundaries. The aim of this thesis is to examine a number of questions arising from the proposition that multinational firms are contributing to the development of international norms of best practice in human resource management as a result of a trend towards greater coordination of management practice in MNEs. It is suggested that multinationals are developing mechanisms to encourage the transfer of knowledge and experience across national boundaries, and this is therefore an important aspect of international human resource management (HRM). The thesis contains a review of the literature, firstly on the management of multinationals, secondly on the development of a strategic view of human resource management, and thirdly on HRM in the MINE. From this material, a theoretical framework is developed that links together a number of research questions. These formed the basis for the design and execution of a qualitative research project in which information on strategy, structure and management practice was obtained from twentyfour companies. These represented a cross-section of country ownership, including the UK, other European countries, the USA and Japan. The design of the research project is explained, and this is followed by a presentation of the results. These support the proposition that as a consequence of the globalization of markets, multinationals are tending to adopt a more global perspective in which there is greater cross-national integration of operations, coordination of management practice, and the development of internationally orientated management. The analysis discusses the implications of this for international human resource management, and offers a number of recommendations for HRM in the multinational enterprise. Finally some suggestions are made for future research to build on and extend the findings of this project.
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