Teses / dissertações sobre o tema "Allocate"
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Johansson, Lars-Olof. "Goal conflicts in decisions to allocate resources /". Göteborg, 2004. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=012912596&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
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Haghighat, Reza. "An optimization model to allocate budget in school rehabilitation projects". Thesis, California State University, Long Beach, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1589619.
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Modernization and rehabilitation of existing school facilities is a key factor to increase the life expectancy of facilities and to benefit students by increasing educational standards. Since United States' last recession in 2009, many school districts have been confronted with difficulty in funding their projects. The existing process of decision making on distributing budget is subjective and depends on the judgment of decision makers. To avoid the errors involved in the existing approach, an optimization model is developed in this research study to optimize the project selection. This optimization system increases the horizontal and vertical equity in the educational system while it reflects the importance of different categories of facility projects and the various educational demands of students. Two powerful methods of Genetic Algorithm and Dynamic Programming is utilized to solve the optimization problem. Moreover, the proficiency of the developed model is shown in a case study.
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Warner, Monroe P. "Development of a methodology to optimally allocate visual inspection time". Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25845.
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Forland, Sven Ivar, e Varun Upadhyay. "Risk - A Cost to Allocate? : An Emipirical Study of Business Practice". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for industriell økonomi og teknologiledelse, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-15044.
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The combination of risk management and cost allocation in order to allocate risk in a sensible manner is a field with not much existing theory. The ABC (Activity Based Costing) model seems as an appropriate cost allocation method, with a structure of using activities as a connecting link. ERM (Enterprise Risk Management) is selected as foundation for the risk management theory because it provides a general framework and a holistic approach. Furthermore, we choose to use four main risk categories. Some hypothetical ABRM (Activity Based Risk Management) alternatives based on these can be used to allocate risk. These alternatives include approaches where risk is allocated to products either from the bottom and up (bottom-up) or from the top and down (top-down). The top-down approach is most suitable when the total risk is known, while the bottom-up is most suitable when a risk category should be divided into sub-categories. A combination of the two approaches may also be of purpose. A qualitative research is conducted among Norwegian banks and power companies in order to map current risk practice. This empirical results show that banks are more sophisticated regarding both cost allocation and risk management, but neither of banks and power companies use ABC extensively, in fact the product calculations are independent of the ABC allocations. Banks have a customer focus instead of emphasizing products.If risk can be divided into overhead and direct as for costs, this fact along with the empirical findings gives a good foundation for discussing the hypothetical alternatives. Another alternative is added to better handle complex risk categories, like e.g. concentration risk. It also becomes apparent that the manufacturing industry, which we believe uses ABC for calculating product profitability, can apply all the discussed alternatives in this thesis, whereas banks and power companies can only use some of them. Regarding the question of whether or not the ABRM alternatives would be of purpose or not, this is not easy to answer before having applied it in the real world and judged its results (even after having conducted a research of banks and power companies). However, attention-directing information can be gained, and the present paper is only meant as an introductory discussion to the topic, and will hopefully provide some innovative input to the world of risk management.
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Marsden, Benjamin. "Winning the Electoral College how presidential candidates optimally allocate resources across states /". Diss., Connect to the thesis, 2008. http://hdl.handle.net/10066/1452.
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Seelbach, Lauren A. "Stochastic modeling to allocate and assess disaster response capacity in logistics networks". Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98656.
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Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2015.Cataloged from PDF version of thesis.
Includes bibliographical references (pages 113-118).
When a disaster occurs in the United States, individuals in the impacted areas look to the local, state and federal government agencies to provide aid in the form of food, water, shelter, and other essential commodities. The responding agencies have the task of preparing their logistics networks in advance of a disaster to enable them to meet the demand for these essential commodities shortly after an event occurs. This thesis uses stochastic modeling and related metrics to answer three central questions that inform the development of a framework for applying these metrics for evaluating the disaster response capacity of a logistics network. The thesis answers the questions of (1) where should inventory be placed, considering both normal, steady-state allocation of inventory as well as allocation of inventory in advance of a notice event such as a hurricane, (2) how does private sector involvement change the response capacity of a logistics network, and (3) what is the impact of reduced demand for critical commodities on the logistics network's ability to respond? Two case studies are conducted on the logistics networks of the Federal Emergency Management Agency (FEMA) and the Florida Division of Emergency Management (FDEM). Results from these case studies indicate that applying stochastic modeling and the associated metrics to inform the allocation of critical commodities in a logistics network demonstrate measurable benefits in terms of fraction of overall demand met, time to serve a disaster affected population, and related metrics. For prepositioning decisions in FDEM's logistics network the benefits were particularly convincing. By locating stock closer to the areas predicted to suffer the greatest losses, FDEM is able to decrease the time per unit served of two critical commodities by 10-15%. For FEMA's logistics network, results indicate that restructuring the terms of contract stock has the potential to increase fraction of overall demand served by 14% within 24 hours after a disaster and 16% within 36 hours after a disaster.
by Lauren A. Seelbach.
S.M. in Technology and Policy
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Foster, John F. (John Frederick) 1967. "A system dynamics model of how managers learn to allocate resources during process improvement". Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89266.
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Campos, Marta Sofia Branquinho de. "Health care needs and resources distribution: how to allocate financial resources in primary care trust?" Master's thesis, NSBE - UNL, 2011. http://hdl.handle.net/10362/10059.
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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Economics from the NOVA – School of Business and EconomicsMaking a good allocation of the resources available is crucial to ensure a good operation of the system. In Portugal the allocation of resources in Primary Care Trust was made, mainly by historical values. In the last year, the Central Administration of the Health System proposed a new way of allocating the financial resources in Primary Care Trust. The goal of this study is to find different possibilities for allocating the financial resources in Primary Care in Portugal. We use data from the Central Administration of the Health System. The Proposal uses linear and quantile regressions, having the per capita costs as a dependent variable. Finally, it was decided on what rule would be better, looking at an economical and statistical criterion.
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Hallmann, Kirstin [Verfasser]. "Determinants of the decision to volunteer in sports and allocate time to volunteering / Kirstin Hallmann". Köln : Zentralbibliothek der Deutschen Sporthochschule, 2020. http://d-nb.info/1241938342/34.
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Avramidis, Stylianos. "Can we use cap rates to better allocate investments in commercial real estate in a dynamic portfolio?" Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62134.
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Thesis (S.M. in Real Estate Development)--Massachusetts Institute of Technology, Program in Real Estate Development in Conjunction with the Center for Real Estate , 2010.Cataloged from PDF version of thesis.
Includes bibliographical references (p. 67).
This thesis has a two-fold objective, namely to explore the role of cap rates in predicting the returns to commercial real estate, and to identify how cap rates can be used to improve the allocation of real estate in a dynamic investment portfolio. Seeking an answer to the first question, we run predictive regressions using data for real estate "All Properties" and for all four major property types, examining the predictability power of cap rates for a forecasting horizon from one to four quarters in the future. Moreover, we examine whether or not stock dividend-price ratio can predict real estate returns, and examine the predictability of stock returns by cap rates and dividend-price ratio. The analysis confirms that both cap rates and the dividend-price ratio can predict real estate "All Properties" returns for up to one year in the future. Concerning the analysis per property type, the results vary from property type to property type, and for different forecast horizons. Moreover, the analysis shows that stock returns can be predicted by the dividend-price ratio at all forecast horizons, whereas the cap rates seem to have somewhat limited predictive power regarding the stock returns. We approach the second question by following the dynamic portfolio allocation methodology proposed by Brandt and Santa-Clara (2006). We expand the existing set of "basis" assets comprised of stocks and real estate to include "conditional" portfolios, and then compute the portfolio weights of this expanded set of assets by applying the Markowitz solution to the optimization problem. We apply this methodology to three different portfolio rebalancing horizons. Moreover, we work with three cases for each portfolio, i.e. with the unconditional case, with the case where the dividend-price ratio is the only conditioning variable, and with the case where the cap rate is the second conditioning variable. In almost all instances the results confirm that, by adding the cap rate as an additional state variable, the performance of the portfolios increases significantly. The same conclusion stands when we impose a "no shorting" restriction to real estate, although now the role of cap rates seems somewhat less significant.
by Stylianos Avramidis.
S.M.in Real Estate Development
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Wang, Peiwen. "GIS-based coupled cellular automaton model to allocate irrigated agriculture land use in the High Plains Aquifer Region". Thesis, Kansas State University, 2013. http://hdl.handle.net/2097/15667.
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Master of Landscape ArchitectureDepartment of Landscape Architecture and Regional and Community Planning
Eric A. Bernard
The Kansas High Plains region is a key global agricultural production center (U.S. G.S, 2009). The High Plains physiography is ideal agricultural production landscape except for the semi-arid climate. Consequently, farmers mine vast groundwater resources from the High Plains Ogallala Aquifer formations to augment precipitation for crop production. Growing global population, current policy and subsidy programs, declining aquifer levels coupled with regional climatic changes call into question both short-term and long-term resilience of this agrarian landscape and food and water security. This project proposes a means to simulate future irrigated agriculture land use and crop cover patterns in the Kansas High Plains Aquifer region based on coupled modeling results from ongoing research at Kansas State University. A Cellular Automata (CA) modeling framework is used to simulate potential land use distribution, based on coupled modeling results from groundwater, economic, and crop models. The CA approach considers existing infrastructure resources, industrial and commercial systems, existing land use patterns, and suitability modeling results for agricultural production. The results of the distribution of irrigated land produced from the CA model provide necessary variable inputs for the next temporal coupled modeling iteration. For example, the groundwater model estimates water availability in saturated thickness and depth to water. The economic model projects which crops will be grown based on water availability and commodity prices at a county scale. The crop model estimates potential yield of a crop under specific soil, climate and growing conditions which further informs the economic model providing an estimate of profit, which informs regional economic and population models. Integrating the CA model into the coupled modeling system provides a key linkage to simulate spatial patterns of irrigated land use and crop type land cover based on coupled model results. Implementing the CA model in GIS offers visualization of coupled model components and results as well as the CA model land use and land cover. The project outcome hopes to afford decision-makers, including farmers, the ability to use the actual landscape data and the developed coupled modeling framework to strategically inform decisions with long-term resiliency.
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Foo, Ceying. "A systems engineering approach to allocate resources between protection and sensors for ground systems for offensive operations in an urban environment". Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/43914.
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Approved for public release; distribution is unlimitedThis thesis describes the effects of using unconventional armor, such as explosive reactive armor, active protection systems, signature management measures, and additional sensing capability in the form of an unmanned aerial vehicle, to improve the survivability and performance of armored platforms in an urban environment during an offensive operation. Variations in the force structure of an armored unit are also examined. The variation in factors was performed using design of experiments, which generates combinations of different factors to be used in the modeling of the combat scenario using the Map Aware Non-Uniform Automata software. Regression analyses were performed on the results of the simulation using JMP Pro 10, and a combination of factors that were found to be significant were identified for further research and study. Partition tree analysis was also performed to identify the relative importance of the significant factor combinations with the identification of their respective thresholds. It was discovered that the thickness of conventional armor, the presence of explosive reactive armor, active protection systems, the mobility of the armored vehicles, and the presence a heavy force structure were important to the survivability and performance of the armored platforms. These insights are of importance to military commanders and planners.
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Tyson, Deonte Rashawn. "How school leaders prioritize and allocate resources to improve teacher quality through teacher professional development| A multiple case study in suburban North Carolina". Thesis, The University of North Carolina at Charlotte, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10641479.
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This multiple case study examined the methods by which school leaders determined and planned teacher professional development, as well as what teachers perceived as their professional development needs and how they believe school leaders take those needs into account. The study took place at two suburban elementary schools (1 traditional public, 1 public charter) in the Charlotte Metro area. The analysis of qualitative data provided by school leader interviews revealed the process by which school leaders determined professional development for teachers in their respective schools. Descriptive quantitative data was gathered through teacher questionnaires about their professional development needs/desires and their perceptions on how school leaders took those into account when planning professional development. In both schools, leaders indicated they try to balance school and district needs with the needs of individual teachers when planning teacher professional development, and teacher perceptions of how leaders determine professional development were generally aligned with leader reports. While the majority of teachers at both schools communicated an overall satisfaction with professional development, teacher respondents at the traditional public school expressed higher levels of agreement to being satisfied with professional development and that their needs were being met. Implications of the study’s findings include a focus on teacher collaboration as an integral part of professional development, as well as the need for teacher input in the professional development planning process.
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Copeland, Thomas. "Who will tax the Internet? The existing rules of international taxation cannot be used to allocate taxing jurisdiction over business income earned in cyberspace". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0028/MQ33477.pdf.
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Bárcena, Gómez Javier Francisco. "Desarrollo de una metodología para delimitar zonas de mezcla de vertidos industriales en estuarios. Development of a methodology to allocate mixing zones of industrial discharges in estuaries". Doctoral thesis, Universidad de Cantabria, 2015. http://hdl.handle.net/10803/329011.
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El objetivo del presente trabajo es proporcionar una metodología escalonada con un grupo de herramientas numéricas seleccionadas y/o desarrolladas con el fin de establecer dónde se requiere una zona de mezcla y determinar su tamaño y aceptabilidad con un nivel de detalle apropiado de acuerdo a su relevancia para cada vertido industrial descargado por boca única situado en un estuario. Esta propuesta puede ser aplicada tanto por los Estados miembros como las industrias a la hora de delimitar zonas de mezcla según lo establecido en la Directiva 2008/105/EC y la Directiva 2013/39/EU.
La estructura de la tesis se organiza en seis capítulos de la siguiente manera:
• Capítulo 1 Introducción. En este capítulo se introduce al lector los contenidos de todos los demás capítulos de la tesis. En primer lugar, se presentan las motivaciones para llevar a cabo la investigación, explicando su importancia y las razones que llevaron al desarrollo de esta tesis. En segundo lugar, se presenta el objetivo general de la tesis y, por último, se explica su estructura.
• Capítulo 2. Estado del Arte. Con el objetivo general en mente, se lleva a cabo una revisión de la literatura con el fin de evaluar los diferentes enfoques metodológicos utilizados en la práctica diaria en todo el mundo, de exponer los temas de actualidad en estuarios (hidrodinámica y mezcla) y, por último, de revisar las herramientas numéricas disponibles utilizadas para estudiar la hidrodinámica y de mezcla de vertidos en estuarios. Esta revisión destaca los puntos fuertes y las deficiencias encontradas en los enfoques actuales y permite la definición de los objetivos específicos de la presente obra.
• Capítulo 3. Metodología general. En este capítulo, se describe la metodología escalonada desarrollada mediante el uso de cinco pasos. En el Paso 1, se recopila la información requerida sobre el área de estudio y las descargas de sustancias tóxicas. El Paso 2 identifica la relevancia del vertido en la zona de estudio. A continuación, el Paso 3 evalúa el efecto generado por los vertidos y delimita las zonas de mezcla a partir de un cálculo simplificado, que tiene en cuenta unas condiciones fijas de los forzamientos. El Paso 4 evalúa el efecto generado por las descargas y delimita las zonas de mezcla durante el año más seco de acuerdo con el caudal del río. Finalmente, en el Paso 5, se 'reevalua' el efecto generado por las descargas y se ‘redelimitan’ las zonas de mezcla con base en el caso real de dilución y teniendo en cuenta la variabilidad de los forzamientos ambientales.
• Capítulo 4. Herramientas numéricas. En este capítulo, se presenta una revisión de los modelos numéricos usados y de todas las herramientas matemáticas de desarrollo propio que permiten la integración, la transferencia, la comunicación y la representación gráfica de la información requerida y obtenida a lo largo de la metodología expuesta.
• Capítulo 5. Resultados: Aplicación en el estuario de Suances. En este capítulo, se ilustra la implementación/aplicación en el estuario de Suances de la metodología desarrollada en el capítulo 3, usando las herramientas numéricas propuestas y descritas en el capítulo 4.
• Capítulo 6. Conclusiones y futuras líneas de investigación. Al final del documento, se detallan las conclusiones del presente trabajo junto con algunas propuestas para futuros temas de investigación que pueden complementar el presente estudio y la metodología desarrollada. Por último, se listan todas las aportaciones realizadas por esta tesis.The main objective of the present study is to make a step forward in the assessment of mixing zones of single-port industrial discharges in estuaries by developing and implementing a stepped methodology according to the significance of the considered discharge. Thereby, this methodology establishes where a mixing zone is required and determines its size and acceptability for each point discharge based on numerical models and mathematical tools. Thus, in this thesis a “Stepped Approach” has been developed to document the policy decision tree (methodology) that may be adopted by Member States and/or Industries when setting Mixing Zones (MZs) under Directive 2008/105/EC and Directive 2013/39/EU. The structure of the thesis is organized in six chapters as follows: • Chapter 1. Introduction. This chapter has introduced the reader in all other chapters of the thesis. Firstly, the motivations for research, explaining their importance and the reasons that led to the development of this thesis, are displayed. Secondly, the general aim of the thesis is presented and, finally, the organization of this thesis is explained. • Chapter 2. State of the Art. With the general aim in mind, a literature review is carried out in this chapter in order to evaluate the different methodological approaches used in daily practice around the globe, to state the contemporary issues in estuarine physics (hydrodynamics and mixing) and, finally, to gather the available numerical tools used to study estuarine hydrodynamics and mixing. This review highlights the strengths and deficiencies found in current approaches and allows the definition of the final objectives of the present work. • Chapter 3. Overall Methodology. In this chapter, the developed methodology, involving five steps, has been described. In Step 1, we collect the required information about the study area and the toxicant discharges. Step 2 identifies the significance of the discharge or discharges in the study zone. Next, Step 3 evaluates the effect generated by discharges and delimitates MZs from a simplified calculation that takes into account fixed conditions. Step 4 evaluates the effect generated by discharges and delimitates MZs during the driest year according to the river flow. Finally, in Step 5, we ’reevaluate’ the effect generated by discharges and ’redelimitate’ MZs according to a real case of dilution taking into account the variability of the environmental forcings. • Chapter 4. Numerical Tools. In this chapter, a review of the used numerical models and all the self-developed mathematical tools for integrating, transferring, communicating and plotting the required and obtained information along the overall methodology is presented. • Chapter 5. Results: Application to Suances Estuary. The implementation/application to Suances Estuary of the developed methodology in Chapter 3, using the proposed numerical tools described in Chapter 4, is presented. • Chapter 6. Conclusions and Future Research Topics. At the end of the document the conclusions of the present work are presented together with some proposals for future research topics that may complement the present study and the proposed methodology. Lastly, all the contributions made by this thesis were itemized.
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Butler, Ryan S. M. Massachusetts Institute of Technology, e Eunil Lee. "Fundamentals of public-private partnerships in the transportation sector : international methodologies of highway public-private partnerships and a framework to increase the probability of success and allocate risk". Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/84178.
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Thesis (S.M. in Real Estate Development)--Massachusetts Institute of Technology, Program in Real Estate Development in Conjunction with the Center for Real Estate, 2013.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 50-53).
In 2009 the American Society of Civil Engineers (ASCE) gave the US infrastructure sector a grade D, based on the current and future needs of the nation's infrastructure and estimates that by year 2020, the US surface transportation deficit will reach $846 billion. Furthermore, in 2013 the US Congressional Budget Office estimates that the main source of highway funding, the Highway Trust Fund, will have insufficient capital to meet its shortfalls by 2015. As defined by the ASCE, infrastructure is the physical framework upon which an economy operates. Without immediate improvement and alternative solutions to fund the crumbling roadway network, the US will continue to struggle to find its way to economic prosperity. This thesis aims to give an overview of how private participation can play an integral role in revamping the US highway network and will outline several of the most important aspects of structuring a successful highway public-private partnership (PPP). Throughout the thesis, PPP is referred to as a long-term contractual agreement between a private entity and a public sponsor to construct and maintain an infrastructure asset. PPP is a complex and potentially dangerous partnership as it can inadvertently put the public at risk; however, it has also proven to be a very successful tool in many countries around the world. By examining the US highway sector and the history of transportation PPP's, this thesis analyzes failed and successful cases, as well as study partnership frameworks implemented in other countries. With this, the thesis attempts to educate stakeholders and spread awareness of how to identify and effectively allocate risks associated with PPP's. If structured and executed appropriately, PPP's will help the stakeholders in highway privatizations reach each of their respective goals and can help rebuild a sustainable highway network throughout the US.
by Ryan Butler and Eunil Lee.
S.M.in Real Estate Development
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Retzak, Amanda. "Teacher allocation of turns to limited English proficiency students the rate at which teachers allocate turns to limited English proficiency students in comparison with their English proficient peers /". Online version, 2003. http://www.uwstout.edu/lib/thesis/2003/2003retzaka.pdf.
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Ignatenko, S. N., e S. A. Petrov. "Application of mpi technology for allocated calculations". Thesis, Вид-во СумДУ, 2009. http://essuir.sumdu.edu.ua/handle/123456789/17001.
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Mohamed, Ahid Ould Isselmou. "Efficiences technique et allocative". Limoges, 2004. http://www.theses.fr/2004LIMO0511.
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L'efficience de la firme se situe au cœur des préoccupations de la théorie micro-économique de la production. Pour les banques, l'efficience correspond non seulement à un objectif interne, mais aussi à une nécessité commerciale. L'objectif de ce travail est de montrer, tout d'abord, la pertinence de la fonction de distance comme un outil de mesure de l'efficience, et ensuite, de proposer une application à l'industrie bancaire. Si la fonction de distance est pertinente pour de nombreuses industries, elle l'est tout particulièrement pour l'industrie bancaire. Le secteur bancaire mauritanien, qui connaît depuis quelques années un mouvement de restructuration et de modernisation, présente un champs d'étude d'un intérêt certain qui permet aux autorités mauritaniennes de disposer d'un outil d'aide à la décision en matière de libéralisation de l'industrie bancaireThe efficiency of the firm is at the center concerns of the micro-economic theory of the production. For the bank, efficiency corresponds not only to one internal objective, but also a commercial need. The objective of this work is to show, first of all, the relevance of the function of distance like measuring instrument of efficiency, and then, to propose an application to banking industry. If the function of distance is relevant for many industries, it is it particularly for banking industry. The Mauritanian banking environment, who has known for a few years a movement of reorganization and modernization, presents a field of study of an unquestionable interest which makes it possible the Mauritanians authorities to have a tool of decision-making aid as regards liberalization of banking industry
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Suryadevara, Usha. "Buffer management in tone allocated multiple access protocol". [Gainesville, Fla.] : University of Florida, 2001. http://purl.fcla.edu/fcla/etd/UFE0000357.
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Thesis (M.S.)--University of Florida, 2001.Title from title page of source document. Document formatted into pages; contains vi, 78 p.; also contains graphics. Includes vita. Includes bibliographical references.
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Fang, Bin. "Techniques for formal modelling and verification on dynamic memory allocators". Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC093/document.
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Cette thèse est une contribution à la spécification et à la vérification formelles des allocateurs de mémoire dynamiques séquentiels (SDMA, en abrégé), qui sont des composants clés des systèmes d'exploitation ou de certaines bibliothèques logiciel. Les SDMA gèrent la partie tas de la mémoire des processus. Leurs implémentations utilisent à la fois des structures de données complexes et des opérations de bas niveau. Cette thèse se concentre sur les SDMA qui utilisent des structures de données de type liste pour gérer les blocs du tas disponibles pour l'allocation (SDMA à liste).La première partie de la thèse montre comment obtenir des spécifications formelles de SDMA à liste en utilisant une approche basée sur le raffinement. La thèse définit une hiérarchie de modèles classés par la relation de raffinement qui capture une grande variété de techniques et de politiques employées par le implémentations réelles de SDMA. Cette hiérarchie forme une théorie algorithmique pour les SDMA à liste et pourrait être étendue avec d'autres politiques. Les spécifications formelles sont écrites en Event-B et les raffinements ont été prouvés en utilisant la plateforme Rodin. La thèse étudie diverses applications des spécifications formelles obtenues: le test basé sur des modèles, la génération de code et la vérification.La deuxième partie de la thèse définit une technique de vérification basée sur l'interprétation abstraite. Cette technique peut inférer des invariants précis des implémentations existantes de SDMA. Pour cela, la thèse définit un domaine abstrait dont les valeurs representent des ensembles d'états du SDMA. Le domaine abstrait est basé sur un fragment de la logique de séparation, appelé SLMA. Ce fragment capture les propriétés liées à la forme et au contenu des structures de données utilisées par le SDMA pour gérer le tas. Le domaine abstrait est défini comme un produit spécifique d'un domaine abstrait pour graphes du tas avec un domaine abstrait pour des sequences finies d'adresses mémoire. Pour obtenir des valueurs abstraites compactes, la thèse propose une organisation hiérarchique des valeurs abstraites: un premier niveau abstrait la liste de tous les blocs mémoire, alors qu'un second niveau ne sélectionne que les blocs disponibles pour l’allocation. La thèse définit les transformateurs des valeurs abstraites qui capturent la sémantique des instructions utilisées dans les implémentations des SDMA. Un prototype d'implémentation de ce domaine abstrait a été utilisé pour analyser des implémentations simples de SDMAThe first part of the thesis demonstrates how to obtain formal specifications of free-list SDMA using a refinement-based approach. The thesis defines a hierarchy of models ranked by the refinement relation that capture a large variety of techniques and policies employed by real-work SDMA. This hierarchy forms an algorithm theory for the free-list SDMA and could be extended with other policies. The formal specifications are written in Event-B and the refinements have been proved using the Rodin platform. The thesis investigates applications of the formal specifications obtained, such as model-based testing, code generation and verification.The second part of the thesis defines a technique for inferring precise invariants of existing implementations of SDMA based abstract interpretation. For this, the thesis defines an abstract domain representing sets of states of the SDMA. The abstract domain is based on a fragment of Separation Logic, called SLMA. This fragment captures properties related with the shape and the content of data structures used by the SDMA to manage the heap. The abstract domain is defined as a specific product of an abstract domain for heap shapes with an abstract domain for finite arrays of locations. To obtain compact elements of this abstract domain, the thesis proposes an hierarchical organisation of the abstract values: a first level abstracts the list of all chunks while a second level selects only the chunks available for allocation. The thesis defines transformers of the abstract values that soundly capture the semantics of statements used in SDMA implementations. A prototype implementation of this abstract domain has been used to analyse simple implementations of SDMA
22
Moore, Robert Lee. "Allocated time allotments and student academic achievement in Ohio elementary schools /". The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487588939090633.
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23
Kim, Gil-Soo. "Shipping investment and allocative efficiency in Korea". Thesis, Cardiff University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404631.
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Brock, Greg. "Technical and allocative efficiency in Soviet communications". The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1277989054.
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25
Schwind, Michael. "Dynamic pricing and automated resource allocation for complex information services : reinforcement learning and combinatorial auctions /". Berlin : Springer, 2007. http://www.netlibrary.com/urlapi.asp?action=summary&v=1&bookid=197100.
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26
Modzelewski, Kevin (Kevin Paul). "Scalable memory management using a distributed buddy allocator". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61002.
Texto completo da fonteResumo:
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (p. 53-56).
The recent rise of multicore processors has forced us to reexamine old computer science problems in a new light. As multicores turn into manycores, we need to visit these problems yet again to find solutions that will work on these drastically different architectures. This thesis presents the design of a new page allocator algorithm based on a new distributed buddy allocator algorithm, one which is made with future processor architectures in mind. The page allocator is a vital and heavily-used part of an operating system, and making this more scalable is a necessary step to build a scalable operating system. This design was implemented in the fos [34] research operating system, and evaluated on 8- and 16-core machines. The results show that this design has comparable performance with Linux for small core counts, and with its better scalability, surpasses the performance of Linux at higher core counts.
by Kevin Modzelewski.
M.Eng.
27
Poindexter, Betty S. "The relationship between allocated instructional time and student achievement in high school economics". Virtual Press, 1985. http://liblink.bsu.edu/uhtbin/catkey/439143.
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The purpose of this study was to compare the achievement of adult high school students enrolled in a one-semester economics course allocated 60 hours of instruction to the achievement of regular high school students in the same course that was allocated 73 hours of instruction.From three large high schools in Indiana offering both regular high school and adult high school credit programs, a sample of 178 students was selected. One case was dropped from the study, reducing the sample size to 177.The structure of the available adult education delivery system did not permit a direct comparison of adult high school credit classes with differing instructional time allotments.As a result, the achievement comparison was made between adult high school and regular high school students. To control for possible initial differences between the two groups of students with regard to academic aptitude, the Test of Cognitive Stills was administered.The Test of Economic Literacy Form A was selected as a pretest to measure each student's prior knowledge of economics. The Test of Economic Literacy Form B was administered at the completion of the course to measure the achievement gain.A two-by-two analysis of covariance was used to statistically analyze the data.FindingsThe null hypothesis was tested for significance at the .05 level. The null hypothesis of no difference was not rejected, and the following conclusion was made:ConclusionThe allocation of thirteen additional hours of classroom instructional time to senior high economics classes did not produce a significant gain in achievement.
28
Penna, Achille. "An approach to allow safety requirements to be efficiently traced, allocated and validated". Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-27624.
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ARP 4754A and ARP 4761 are international standards for the avionics domains. ARP 4761 provides a guidance for the safety assessment process, while the ARP 4754A prescribes close interactions between the safety assessment process and system development process in order to capture safety requirements imposed on the design. According to the ARP 4754A, the safety requirements should be carefully traced and validated.A phase of the safety assessment process is the FHA (Functional Hazard Analysis) and the high-level safety requirements are derived. ARP 4754A indicates that the safety requirements obtained from the FHA phase should be allocated and validated, but the standard only indicates “What” should be done, but not “How” to do it. Hence, when developing an avionic system, an ad-hoc method must be provided to allocate and validate the safety requirements.Thesis work is focused on providing a systematic approach to allow safety managers jointly with designers to decompose, allocate and validate the safety requirements. Furthermore, the proposed approach is aligned with the ARP 4754A and DOORS tool, including how to decompose and validate the safety requirements in the system development process. This way will reduce the necessity to provide an ad-hoc method each avionic systems, and overcome the lacking methodology. Finally, a safety-critical system developed by SAAB is used as case study to validate the proposed approach.
29
Altuntaş, Berrin. "A behavior based robot control system architecture for navigation environments with randomly allocated walls". Ankara : METU, 2003. http://etd.lib.metu.edu.tr/upload/1097054/index.pdf.
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30
Altuntas, Berrin. "A Behavior Based Robot Contol System Architecture For Navigation In Environments With Randomly Allocated Walls". Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/1097054/index.pdf.
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Integration of knowledge to the control system of a robot is the best way to emerge intelligence to robot. The most useful knowledge for a robot control system that aims to visit the landmarks in an environment is the enviromental knowledge. The most natural representation of the robot&rsquos environment is a map. This study presents a behavior based robot control system architecture that is based on subsumption and motor schema architectures and enables the robot to construct the map of the environment by using proximity sensors, odometry sensors, compass and image. The knowledge produced after processing the sensor values, is stored in Short Term Memory (STM) or Long Term Memory (LTM) of the robot, according to the persistence requirements of the knowledge. The knowledge stored in the STM acts as a sensor value, while LTM stores the map of the environment. The map of the environment is not a priori information for the robot, but it constructs the map as it moves in the environment. By the help of the map constructed the robot will be enabled to visit non-visited areas in the environment and to localize itself in its internal world. The controller is designed for a real robot Khepera equipped with the sensors required. The controller was tested on simulator called Webots version 2.0 on Linux operating system.
31
Freeman, Christopher John. "Are chemical defenses allocated within sponges to defend regions most at risk to predator attack?" Click here to access thesis, 2007. http://www.georgiasouthern.edu/etd/archive/spring2007/christopher_j_freeman/Freeman_Christopher_J_200701_MS.pdf.
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Thesis (M.S.)--Georgia Southern University, 2007."A thesis submitted to the Graduate Faculty of Georgia Southern University in partial fulfillment of the requirements for the degree Master of Science." Under the direction of Daniel F. Gleason. ETD. Electronic version approved: May 2007. Includes bibliographical references (p. 73-83) and appendices.
32
Meyniel, Florent. "How the human brain allocates physical effort over time : evidence from behavior, neuroimaging and pharmacology". Paris 6, 2013. http://www.theses.fr/2013PA066366.
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Faire le bon choix, c’est trouver le bon compromis entre coût et bénéfice. Dans le cas de la gestion de l’effort physique, ce compromis prend une dimension temporelle. Pour comprendre comment la décision d’arrêter ou reprendre l’effort est prise, nous avons développé un paradigme expérimental chez le sujet humain sain et un modèle computationnel dans lequel le coût estimé augmente à l’effort car la fatigue affecte toute la commande motrice et diminue au repos quand nous récupérons. Le comportement reflète les variations de ce coût estimé et du compromis avec le bénéfice attendu. Grâce à la complémentarité de l’imagerie fonctionnelle par résonnance magnétique et de la magnétoencéphalographie (MEG), le coût estimé a été localisé dans les régions proprioceptives du cerveau : l’insula postérieure et le thalamus ventromédian. La MEG a également révélé que la désynchronisation du rythme beta moteur (13-30Hz) permet une reprise plus rapide de l’effort quand les enjeux sont importants. Cette gestion stratégique du repos est liée à l’utilité attendue qui peut être dissociée de l’utilité réelle. Nos résultats montrent que la gestion de l’effort est adaptée en ligne au coût estimé et modulée stratégiquement en fonction des coûts et bénéfices attendus. Les antalgiques (hypnose ou paracétamol) ont un effet limité sur ce processus, à l’inverse de la sérotonine (Escitalopram). Notre contribution, à l’interface entre médecine du sport, théorie de la décision et modèle d’accumulation utilisés en neurosciences, propose un mécanisme pour optimiser la gestion de l’effort physique en maximisant les gains et minimisant les dommages corporelsNo pain, no gain: optimal decisions involve a tradeoff between cost and benefit. We propose that in physical effort allocation, this tradeoff is unfolded over time. We present a task to investigate this process in the laboratory with healthy humans and we suggest a computational model to account for decisions to stop and resume the effort. Costs increase during exertion, due to fatigue at all stages of the motor command and decrease during rest, due to recovery. We show that this dynamic may be captured by a cost-evidence variable and compared to the expected benefit. Functional magnetic resonance imaging (fMRI) and magnetoencephalography (MEG) complementarily showed that cost-evidence may be implemented in proprioceptive regions of the brain: posterior insula and ventro-medial thalamus. In addition, MEG showed that motor beta (13-30 Hz) desynchronization mediates the effect of incentives to hasten effort resumption. This strategic invigoration of rest is supported by a behavioral dissociation: the expected utility (not the actual utility) modulates rest durations. Together, our results support that the behavior is adapted on the fly to cost-evidence levels and that this mechanism is modulated strategically according to the expected cost and benefit. This behavior was not affected by pain killers (hypnosis or paracetamol), but by serotonin (Escitalopram). This work bridges a gap between sport medicine, value-based decision-making and accumulation models in neuroscience in showing that accumulation and dissipation of cost-evidence can guide the optimization of effort allocation: this mechanism implements the maximization of benefit while the body costs are minimized
33
Bilale, Abudureheman. "State relativity and speed-allocated line-of-sight course control for path-following of underwater vehicles". Thesis, Cranfield University, 2018. http://dspace.lib.cranfield.ac.uk/handle/1826/13963.
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Path-following is a primary task for most marine, air or space crafts, especially during autonomous operations. Research on autonomous underwater vehicles (AUV) has received large interests in the last few decades with research incentives emerging from the safe, cost-effective and practical solutions provided by their applications such as search and rescue, inspection and monitoring of pipe-lines ans sub-sea structures. This thesis presents a novel guidance system based on the popular line-of-sight (LOS) guidance law for path-following (PF) of underwater vehicles (UVs) subject to environmental disturbances. Mathematical modeling and dynamics of (UVs) is presented first. This is followed by a comprehensive literature review on guidance-based path-following control of marine vehicles, which includes revised definitions of the track-errors and more detailed illustrations of the general PF problem. A number of advances on relative equations of motion are made, which include an improved understanding of the fluid FLOW frame and expression of its motion states, an analytic method of modeling the signs of forces and moments and the proofs of passivity and boundedness of relative UV systems in 3-D. The revision in the relative equations of motion include the concept of state relativity, which is an improved understanding of relativity of motion states expressed in reference frames and is also useful in incorporating environmental disturbances. In addition, the concept of drift rate is introduced along with a revision on the angles of motion in 3-D. A switching mechanism was developed to overcome a drawback of a LOS guidance law, and the linear and nonlinear stability results of the LOS guidance laws have been provided, where distinctions are made between straight and curved PF cases. The guidance system employs the unique formulation and solution of the speed allocation problem of allocating a desired speed vector into x and y components, and the course control that employs the slip angle for desired heading for disturbance rejection. The guidance system and particularly the general course control problem has been extended to 3-D with the new definition of vertical-slip angle. The overall guidance system employing the revised relative system model, course control and speed allocation has performed well during path-following under strong ocean current and/or wave disturbances and measurement noises in both 2-D and 3-D scenarios. In 2-D and 3-D 4 degrees-of-freedom models (DOF), the common sway-underactuated and fully actuated cases are considered, and in 3-D 5-DOF model, sway and heave underactuated and fully actuated cases are considered. Stability results of the LOS guidance laws include the semi-global exponential stability (SGES) of the switching LOS guidance and enclosure-based LOS guidance for straight and curved paths, and SGES of the loolahead-based LOS guidance laws for curved paths. Feedback sliding mode and PID controllers are applied during PF providing a comparison between them, and simulations are carried out in MatLab.
34
Peacock, Stuart J. "Efficiency in the provision of health care for end stage renal failure". Thesis, University of York, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245901.
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35
Liu, Beichen. "SlimGuard: Design and Implementation of a Memory Efficient and Secure Heap Allocator". Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/96291.
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Attacks on the heap are an increasingly severe threat. State-of-the-art secure
dynamic memory allocators can offer protection, however their
memory consumption is high, making them suboptimal in many situations. We
introduce sys, a secure allocator whose design is driven by memory
efficiency. Among other features, sys uses an efficient fine-grain size
classes indexing mechanism and implements a novel dynamic canary scheme. It
offers a low memory overhead due its size classes optimized for canary
usage, its on-demand metadata allocation, and the combination of randomized
allocations and over-provisioning into a single memory efficient security
feature. sys protects against widespread heap-related attacks such as
overflows, over-reads, double/invalid free, and use-after-free. Evaluation
over a wide range of applications shows that it offers a significant
reduction in memory consumption compared to the state-of-the-art secure
allocator (up to 2x in macro-benchmarks), while offering similar or better
security guarantees and good performance.Master of Science
Attacks targeting on the runtime memory (heap allocator) are severe threats to software safety. Statistical results shown that the numbers of heap-related attacks has doubled since 2016. A large number of research works are desgined to solve the security problems by offering different techniques to prevent some specific attacks. Not only are they very secure but also fast. However, these secure heap allocators sacrefise the memory usage, all of them at least double the memory consumption. Our work is trying to design and implement a heap allocator, in which it can defend against different attacks, as well as fast and memory-efficient. We carefully re-design some security features in our heap allocator while keep memory-efficient in mind. In the end, we evaluated sys and found that it offers significant reduction on different benchmarks suites. Evaluation also showed that sys can detect a lot of vulnerabilites in the software, while offer the same good performance as the state-of-the-art heap allocator.
36
Rhodus, W. Timothy. "Allocative efficiency of experimental markets under conditions of supply and demand uncertainty /". The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260859495943.
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37
Swanson, Justin R. "Contracting to appropriately allocate risk". 2006. http://catalog.hathitrust.org/api/volumes/oclc/86086114.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 2006.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (p. 479-489).
38
Jemn-Yuan, Lee, e 李振源. "A Study of Container Trailer Allocate Question". Thesis, 1993. http://ndltd.ncl.edu.tw/handle/80808177635602126066.
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39
Chi-Chen, Hung, e 洪啟禎. "Allocate OVSF Codes by Buddy System in WCDMA". Thesis, 2003. http://ndltd.ncl.edu.tw/handle/75067969765249565297.
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碩士國立臺北大學
統計學系
91
The allocations of OVSF (Orthogonal variable spreading factor) codes affect the system utilization strongly for WCDMA( wideband code division multiple access). In the allocation process, the primary job is to place a suitable bandwidth capacity OVSF code for each user. If the bandwidth capacity is too low, it will be useless. Otherwise, it will waste a lot of the system resources. During the allocation process, the allocation methods can avoid leaving too many fragmented and low bandwidth capacity OVSF codes. It also can benefit the high bandwidth capacity user and enhance the system utilization. Thus, we must choose a best allocation strategy for the users which can meet the requirement of high-speed communication in our modern society. In this paper, we propose a strategy to allocate OVSF codes in which we combine the Buddy System, Crowded-first, and DCA (Dynamic Codes Assignment) of channel codes allocation methods together. This strategy can allocate OVSF codes fast and correctly, reduce the waste of system resources and thus improve the system utilization. Every situation of OVSF codes allocation in the system can be recorded by using the free-code list and allocated-code list. The two lists help us to calculate the system remaining capacity and find the suitable free codes for users soon. In the allocation process, no matter in the placement or replacement, we spend the least steps and cost. In addition, the released OVSF codes can be recorded immediately for latter users.
40
Hwung, Yih-ming, e 黃義銘. "Application of Artificial Neural Network to Allocate Regional Water Resources". Thesis, 1998. http://ndltd.ncl.edu.tw/handle/40194305348006761350.
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碩士國立成功大學
水利及海洋工程學系
85
The regional water resources system is getting complex day by day. In the mean time, water management personnel feels more complicate to distribute water to desired users favorably in the system. Better water management poli-cies may be analyzed by mathematical programming algorithm (MPA). However, thelarge- scale characteristics of regional water resources system prevents MPA''s from being applied efficiently to develop the optimal operation policies. Net-work flow model can properly represent all the essential elementof a reservoir-river basin water distribution system. In addition, applying the network fow programming (NFP) model to simulate the water distribution over a large- scale system has the advantage of light computation burden. A dynamic network flow model (DNFM) can optimally allocate the water of a regional water resources system. The optimal allocation obtained by DNFM considered future stream flow of a system. Due to forecasting error of river flow and no simple form of allocation policy, the DNFM is difficult to be ap- plied in site operation. A atificial neural network (ANN) has the capability of learning. It was applied to allocate regional water resource in this study. First, the DNFM was applied to analyze the optimal transbasin water transport between river basins of Kaoping Chi and Tsengwen Chi. The water allocation optimal of DNFM was then learned by ANN model. A well trained ANN model was validated to allocate the water for this regional system. The results showed most water supplies were correctly allo-cated.
41
Huang, Wei-Wen, e 黃瑋文. "Implementing decision support systems to allocate TFT-LCD cutting operations". Thesis, 2015. http://ndltd.ncl.edu.tw/handle/32957827454554656055.
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碩士國立高雄第一科技大學
運籌管理研究所
103
TFT-LCD is a highly invested industry and various generations of panel plant restrict the process connectivity between plants because the size of the glass substrate differs from each other. In this study, we constructed a decision-support system (DSS) to help perform the allocation of TFT-LCD cutting operations among plants. Because the size of glass substrates in different generations of plant are not the same, they cannot be exchanged, nor can the machines performing the cutting be substituted. Moreover, for smooth logistics operations, it is better to avoid that the glass substrates produced and later assembled in Taiwan to perform cutting operations oversea. A large TFT-LCD factory contains various generations of plants. If the cutting operations depend only on human judgment, not only is the judgment time-consuming, it has relatively high probability of miscarriage. The DSS is based on scenario simulation of product-related features. It has a database comprising the specifications of the factory equipment and considers the generations of the panels, location of plants for the cutting, etc. When a cutting operation is required for some glasses, the DSS system can automatically configure the cutting operations. The DSS eliminates the need for human intervention that might result in miscarriages or unstable allocation decisions. On the contrary, with the DSS, non-specific personnel or new staff can key in glass-related information to determine a suggested allocation plan for cutting operations. We believe that the present study on the DSS for can be used as an important basis for future cutting operations configuration.
42
CHEN, HUANG-WEN, e 陳鍠文. "Inductive Analysis of Memory Allocate Functions Using Performance Monitoring Unit". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/t479za.
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43
Tsai, Li-wei, e 蔡瀝緯. "The Most Suitable Allocate MTO/MTS Output under Product Price Uncertainty". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/s9f8z9.
Texto completo da fonteResumo:
碩士國立高雄第一科技大學
運籌管理所
96
Under the economic in a slump, the original material rises unceasingly along with the time. The manufacturers must face in profit squeeze. If the manufactures can adjust MTO/MTS output and use benefit of reprocess semi-product under price unstable situation, it could obtain better competitive advantage. In past literature, hybrid MTO and MTS researches must focus product optimization、order selection optimization et al. However, those research’s price almost is fixed. Since recent years under inflation, cost has not likely passed stably, relating influence product price change. Therefore present paper establish optimization model to plan hybrid MTO/MTS suitable output and postponement point. Among use case company data proceed example confirmation. In the research mainly relates by the product price and the cost discusses, divides into four kind of situation. product price drop scope is bigger than the cost drop scope、product price drop scope is smaller than the cost drop scope、product price rise scope is bigger than the cost rise scope、product price rise scope is smaller than the cost rise scope. Discussing with multi-times data and analyzing product price and cost stably. Finally, it provides production strategy reference to enterprise.
44
Wang, Shiow-Ing, e 王秀英. "Construct a needs-based formula to allocate regional ambulatory global budgets". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/80261239342977832504.
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博士亞洲大學
健康產業管理學系健康管理組
100
Scarcity is the mother of allocation. Therefore, allocating healthcare resources to satisfy need is always a persistent challenge for health policy planners. The principle of distribution according to need has gained generally recognition in the health care field. The purpose of present study is to construct a needs-based formula to allocate regional ambulatory budget of National Health Insurance in Taiwan. The results can provide some evidences to modify the existing allocating mechanism for the best interest. We defined health need from preventive and treatment dimensions. According to the subjects and frequency of preventive services currently covered by National Health Insurance, we calculated preventive health need based on the geographic popularity in six medical regions. Using National Health Insurance claim data, we present regional morbidity rates and national average expenditures by diseases, gender-age groups to demonstrate the treatment health need of popularity in six regions. The study results showed that people in six medical regions have different health needs with unique health problems. Needs-based allocations and the actual declared expenditures were significantly different. Needs-based allocations ranged from 9.18% higher than actual expenditures in Kaoping Division to 9.13% lower in Northern Division. It reveals that current mechanism to allocate ambulatory global budget under the national health insurance system does not reflect the rational situation based on health needs. The contents of the resource allocation formula should be tested or amend over time. Establishing health policies to meet the needs of the local people, and rationing resource according to health needs would improve equity in the distribution of healthcare services and result in an achievement of goals that everyone can enjoy the highest level of health.
45
Chiang, Tsung-Hao, e 江宗儫. "New Mechanisms to Allocate Addresses in a Tree-Based Zigbee Environment". Thesis, 2011. http://ndltd.ncl.edu.tw/handle/13705802209574482429.
Texto completo da fonteResumo:
碩士國立東華大學
資訊工程學系
99
ZigBee technology development has approached a mature stage in the military, medical and family life. However, with the expanding application of information technology, more and more devices will be added to the wireless transmission areas. It is necessary to find a better mechanism to allocate addresses. This mechanism must be able to accommodate a large number of devices, efficient in routing and able to respond quickly when adding or deleting devices. The recent popular discussion about “power save” should also be considered. In this thesis, we propose two mechanisms to handle the problem when nodes cannot get addresses. The first mechanism “Fine-tuning parameters” is used to solve the unsuitable setting of parameters. A small adjustment of tuning parameters can connect with more nodes and decrease the phenomenon of isolated nodes. Another method is the Sector mechanism. This mechanism introduces the concept of sectors into the ZigBee network topology and can gain more links without the maximum limitation. These two mechanisms can contain more nodes than the current DAAM mechanism proposed by the ZigBee Alliance. Our simulation result also shows that the approach of fine-tuning parameters and the Sector mechanism can allocate more nodes than other mechanisms by adding a small amount of execution time.
46
Theu, Kae-Harn, e 張凱涵. "Applying Data Envelopment Analysis to Allocate Performance Bonus for Post Offices". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/f4m2j3.
Texto completo da fonteResumo:
碩士國立臺灣海洋大學
航運管理學系
107
n addition to the popular, efficient, secure and inexpensive mail and parcel delivery services, post offices also provide saving, remittance, simple life insurance and other diversified services such as e-commerce and consignment even in the remote and offshore areas. There are some issues related to post office’s performance bonus distribution. If the factors related to the scale can be taken into account, the objectiveness will be increased when allocating bonuses. The main advantage of Data Envelopment Analysis (DEA) is that it can take multiple inputs and multiple outputs into account while measuring efficiency. Based on this characteristic, this study evaluated the operational efficiency of each post office through the DEA models. In addition, a bonus allocation model based on the DEA and the scale of the post offices performance was also established for empirical study. Taking the branch offices under a county as empirical examples, three input items (number of employees, operating areas, general operating expenses) and three output items (postal, postal saving and remittance, simple life insurance income) were selected to allocate performance bonus for post offices. The results showed that when the scale of input and output was considered, the bonus could be allocated more objectively than those were allocated based on only efficiency.
47
Chang, Yuan-Yu, e 張源育. "Fund Managers How to Allocate Assets: Considering Internal Factors and External Factors". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/tgbsf8.
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碩士國立東華大學
財務金融學系
102
This study analyzes asset allocations of mutual funds, considering internal and external factors, in which fund managers concern investable assets’ risk degrees and outside economic conditions for their investment strategies in the fund managements. We have following results. Expected return rates, volatility rates, and asset correlations have significant impacts on the stock holdings. That is, fund managers tend to increase the holding rate of high risky assets and to decrease the holding rate of low risky assets as the expected rate is high and the volatility rate is low. We also find that the holding weights of risky stocks decrease, if the intensity and influenced degree of financial crisis increase. Next, fund managers tend to take aggressive strategies for fund investor’s redemptions. In addition, we suggest that a high rate of risky assets appears in the portfolio selection of aggressive fund. We also find that the speculative demands and liquidity demands perform more sensitive in the asset weights.
48
Lin, Meng-Chiao, e 林孟喬. "Using SNR Estimator to Allocate Resource in CRAC for Downlink OFDMA Systems". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/2jmchz.
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碩士國立臺北科技大學
電機工程系所
102
In recent years, the research on cooperative communications has received much attention. By using relay stations (RSs) the transmission efficiency of downlink 4G communication system can be significantly improved. Furthermore, with the help of cognitive radio (CR), the unauthorized user can borrow the bandwidth of authorized user, thus increasing the bandwidth usage efficiency, and alleviating the problem of traffic congestion. This thesis aims to estimate the signal-to-noise ratio (SNR) over the orthogonal frequency division multiple access (OFDMA) system, where additive white Gaussian noise (AWGN) channel and path loss are considered. The estimated SNR together with rely station and cooperative communications are then used for channel assignment in order to improve bandwidth usage efficiency. Finally, the transmission capacity evaluated based on the estimated SNR and real SNR are compared. The result shows that the overall error between them is only 3.5%, indicating the potential of the estimation scheme for transmission capacity prediction.
49
Morehead, Alison. "How employed mothers allocate time for work and family : a new framework". Thesis, 2003. http://hdl.handle.net/2123/1683.
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50
Kang, Hsin-Cheng, e 康信誠. "Applying Data Envelopment Analysis to Allocate Incentive Compensation for Container Terminal Operators". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4nve5h.
Texto completo da fonteResumo:
碩士國立臺灣海洋大學
航運管理學系
106
Container transportation had become an important way for carrying cargos in the world. Container transportation is not only accomplished by shipping, but also container handling, conversion of transport equipment and the accuracy of ship schedules are all valued by liner shipping companies. In the liner shipping industry, container terminals are playing important roles. Container terminals are responsible for handling containers. Therefore, the efficiency of terminal operations is crucial. In order to increase the utilization of a port, many port authorities often provided incentive compensation for container terminal operators. In the past, the port incentive bonus allocation standard focused on the total number of container handled. The scale of terminal and benchmarking considerations were not included. This study intended to build an allocate incentive compensation model that incorporates efficiency criteria and scale. We used container terminal operators in a Taiwanese port as the decision making units (DMUs), and selected six input items (number of berths, length of berth, design draft, number of gantry cranes, annual rental, and container terminal area) and five output items (container throughput, number of services, number of vessels in below 5500 TEU, number of vessels in 5500-10000TEU and number of vessels in more than 10,000 TEU) to measure efficiency and allocate the incentive compensation of the container terminal operators. The result showed that the allocation incentive compensation model considering the scale and efficiency is significantly different from the traditional method that only considers the amount of throughput. The method established in this study has better fairness and rationality.