Thèses sur le sujet « Software Supply Chain Attacks »
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1
Vu, Duc Ly. « Towards Understanding and Securing the OSS Supply Chain ». Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/333508.
Texte intégralRésumé :
Free and Open-Source Software (FOSS) has become an integral part of the
software supply chain in the past decade. Various entities (automated tools
and humans) are involved at different stages of the software supply chain.
Some actions that occur in the chain may result in vulnerabilities or malicious
code injected in a published artifact distributed in a package repository.
At the end of the software supply chain, developers or end-users may consume
the resulting artifacts altered in transit, including benign and malicious
injection.
This dissertation starts from the first link in the software supply chain,
‘developers’. Since many developers do not update their vulnerable software
libraries, thus exposing the user of their code to security risks. To understand
how they choose, manage and update the libraries, packages, and other
Open-Source Software (OSS) that become the building blocks of companies’
completed products consumed by end-users, twenty-five semi-structured interviews
were conducted with developers of both large and small-medium enterprises
in nine countries. All interviews were transcribed, coded, and analyzed
according to applied thematic analysis.
Although there are many observations about developers’ attitudes on selecting
dependencies for their projects, additional quantitative work is needed
to validate whether behavior matches or whether there is a gap. Therefore,
we provide an extensive empirical analysis of twelve quality and popularity
factors that should explain the corresponding popularity (adoption) of PyPI
packages was conducted using our tool called py2src.
At the end of the software supply chain, software libraries (or packages)
are usually downloaded directly from the package registries via package dependency
management systems under the comfortable assumption that no discrepancies are introduced in the last mile between the source code and
their respective packages. However, such discrepancies might be introduced
by manual or automated build tools (e.g., metadata, Python bytecode files)
or for evil purposes (malicious code injects). To identify differences between
the published Python packages in PyPI and the source code stored on Github,
we developed a new approach called LastPyMile . Our approach has been
shown to be promising to integrate within the current package dependency
management systems or company workflow for vetting packages at a minimal
cost.
With the ever-increasing numbers of software bugs and security vulnerabilities,
the burden of secure software supply chain management on developers
and project owners increases. Although automated program repair approaches
promise to reduce the burden of bug-fixing tasks by suggesting likely correct
patches for software bugs, little is known about the practical aspects of using
APR tools, such as how long one should wait for a tool to generate a bug fix.
To provide a realistic evaluation of five state-of-the-art APR tools, 221 bugs
from 44 open-source Java projects were run within a reasonable developers’
time and effort.
2
Rueda, Guerrero María Ximena. « Robustness of complex supply chain networks to targeted attacks ». Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119719.
Texte intégralRésumé :
Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018.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 65-67).
In this thesis, we study the robustness of complex supply chain systems from a network science perspective. Through the simulation of targeted attacks to nodes and edges using different hierarchical measures from network science to select the most relevant components, we evaluate the extent to which local centrality measures can estimate the relevance of a node in maintaining the connectivity and the efficient communication across the network. We perform the experiments on two real-world supply chain data sets, and on an ensemble of networks generated from network growth models that share simple topological properties with the real-world networks. It is found that all models produce more robust networks than the data sets of choice. In addition, the removal of high average neighbor degree nodes seems to have little impact on the connectivity of the network, and a highly varying impact on the efficiency of the network. Finally, robustness against targeted node and edge removal is found to be more associated to the number of nodes and links in the network than to more complex network measures such as the degree distribution.
by María Ximena Rueda Guerrero.
M. Eng.
3
Holt, Christopher Michael Taylor 1968. « Supply chain simulator : an approach for development of software and methodology for simulation of supply chain management ». Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9495.
Texte intégralRésumé :
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1999.Includes bibliographical references (leaves 94-97).
Many companies see how new strategies and technologies can enable more efficient and adaptive supply chains-but they struggle to understand how these technologies overlay with existing processes and personnel issues both during and after implementation. This thesis investigates the concept of a simulated environment where multiple constituents whether they are different parts of a company's organization or different companies within a supply chain-can come together to design and experiment with new supply chain structures. The thesis explores the argument that the supply chain can be simulated, and evaluates different approaches to developing such a simulation that would allow low-risk experimentation and accelerated learning for supply chain managers. The thesis begins with an executive summary that provides a high level treatment of the challenges and recommendations associated with supply chain simulation, then proceeds to present a definition of the elaborate interrelationships between companies, technologies and business processes that collectively shape an industry's supply chain. This is followed by a discussion of complexity theory and general simulation techniques that could be applicable to the development of a software simulation environment in this area. Then, a review of efforts to date to simulate management of the supply chain, including approach, resources required, and eventual results is followed by a recommendation and justification of the thesis' approach to supply chain simulation. Finally, operating methods are presented for development and management of the learning and decision-making processes required to best utilize the software. The conclusion of the thesis is that because of the emergence of new technologies, the supply chain can be simulated for practical experimentation and learning. It is apparent that significant supply chain performance improvement can be identified and quantified through simulation. The thesis recommends using agent-based modeling, specifically a software package called Swarm, as the software environment. The software should be supported by operating methods that can maximize its capabilities while encouraging the likelihood of adoption of solutions identified.
by Christopher Michael Taylor Holt.
M.Eng.
4
Sheinbein, Rachel Felice 1975. « Applying supply chain methodology to a centralized software licensing strategy ». Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/34781.
Texte intégralRésumé :
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 2004.Includes bibliographical references (p. 76).
Eleven percent of companies spend between $150K and $200K per year per engineer on software development tools and nine percent spend more than $200K, according to a Silicon Integration Initiative/Gartner/EE Times study from 2002. For Agilent Technologies, these costs result in spending tens of millions of dollars each year on software, and for Motorola, the costs are more than $100M each year. From the current trends in software spending, one can infer that companies will pay even more for software in the future, because the cost of the software itself is rising and because of the complexity of the technology needed for innovation. In order to understand whether the total spending on software is appropriate and necessary, Agilent sponsored this project to create a model that analyzes the trade-offs between the cost of software and the cost of software unavailability. The model treats software licenses as supplies to the development of a product, and thus, supply chain methodologies such as inventory (cost of licenses), stock outs (cost of unavailability) and service level are applied. The goal of the model is to minimize software costs while maintaining a satisfactory level of service. The thesis explains the model and then shows the results from applying it to four software products that Agilent currently uses. The results show that in the absence of this type of analysis, Agilent spends more than necessary for software licenses. In fact, Agilent can reduce costs by at least 5%. This model can be used by Agilent and other companies to optimize software purchases.
by Rachel Felice Sheinbein.
S.M.
M.B.A.
5
Tan, Chow Yin 1973. « Supply-chain software systems : current issues and imperatives in selection and implementation ». Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9932.
Texte intégral
6
Rouse, Vicki Henderson. « An Internship with Choice Systems, Inc., A Supply Chain Solution Software Company ». Miami University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1146622914.
Texte intégral
7
Arunachalam, Raghu. « An agent based compositional framework for supply chain simulation ». Thesis, University of Warwick, 2000. http://wrap.warwick.ac.uk/36393/.
Texte intégralRésumé :
To survive in an ever increasing global and competitive marketplace, organisations are forging strategic alliances to gain a competitive advantage over their rivals. Consequently, it is now recognised that it is not sufficient to look at organisations in isolation, but view them in the wider context of the supply chain. In order to design arid manage supply chains it is necessary to understand and predict the behaviour of such systems. The ability to perform detailed studies of dynamic behaviour has made discrete event simulation (DES) an invaluable tool in the design and analysis of manufacturing systems. DES has been used to model individual stages of a supply chain, but rarely has it been applied comprehensively across the entire chain. The multi-faceted nature of supply chains makes the creation of a single model that represents all aspects of the chain difficult. A compositional framework, termed HerMIS (Heterogeneous Model Integration and Simulation), is proposed that allows pieces of a supply chain to not only be studied in isolation, but in the context of the other parts as well. Three requirements are identified for the development of HerMIS. These are: (1) to support a compositional approach so as to allow multi-facetted modelling, (2) to function in a distributed environment where models and information about them are distributed at different locations amongst various organisations, and (3) to provide an execution mechanism that allows the composite model to be simulated efficiently. A class based taxonomy of component models and their interaction is conceived that forms the basis of a representation scheme for composite modelling. An agent based paradigm that employs a collection of synthesis_agents and model_agents is devised to support the distributed operation of the framework. The synthesis_agents function as sources of knowledge for synthesising composite models and are used in conjunction with an interactive blackboard based system to guide the user in creating composite models. Each of the model_agents incorporate a discrete event model of a supply chain component, arid supports the distributed simulation of the composite model. Finally, a parallel discrete event simulation algorithm is proposed that enables the composite model to be simulated on a network of computer workstations. The algorithm is based on the optimistic PDES approach and takes into consideration some of the operating characteristics of a composite supply chain model.
8
Bredenkamp, Frederick van Biljon. « The development of a generic just-in-time supply chain optimisation software tool / ». Link to the online version, 2005. http://hdl.handle.net/10019/980.
Texte intégral
9
Bredenkamp, F. v. B. « The development of a generic just-in-time supply chain optimisation software tool ». Thesis, Stellenbosch : University of Stellenbosch, 2005. http://hdl.handle.net/10019.1/1920.
Texte intégralRésumé :
The demand from modern day customers for quality products, supplied in any quantity and
within a short lead-time, forces organisations to stock the correct amount of inventory in the
correct locations in its supply chain. Establishing the correct inventory levels within an
organisation’s supply chain is complicated by the various stochastic processes occurring in a
supply chain. The thesis is aimed at the development of a generic Just-In-Time (JIT) supply
chain optimisation software tool, whereby the correct inventory levels for an organisation can
be determined. These inventory levels will ensure that the organisation will achieve a
predefined customer service level at the minimum cost to the company. The tool was
developed and satisfactory results were obtained using the Harmony Search Algorithm (HSA)
for optimising the inventory levels.
10
Pippow, Ingo. « Software-Agenten in Distributionsnetzen : Potenziale vertikaler Informationsteilung zur Senkung von Transaktionskosten / ». Wiesbaden : Dt. Univ.-Verl, 2004. http://www.gbv.de/dms/zbw/388109858.pdf.
Texte intégral
11
Fang, Fang, et 方芳. « A life-cycle-oriented negotiation framework for supply chain management : an agent-based approach withhybrid learning ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39362437.
Texte intégral
12
Johnson, Ludwig, et Lukas Mårtensson. « Assessing HTTP Security Header implementations : A study of Swedish government agencies’ first line of defense against XSS and client-side supply chain attacks ». Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21725.
Texte intégralRésumé :
Background. Security on the web is a fundamental requirement as it becomes a bigger part of society and more information than ever is shared over it. However, as recent incidents have shown, even Swedish government agencies have had issues with their website security. One such example is when a client-side supply chain for several governmental websites was hacked and malicious javascript was subsequently found on several governmental websites. Hence this study is aimed at assessing the security of Swedish government agencies’ first line of defense against attacks like XSS and client-side supply chain. Objectives. The main objective of the thesis is to assess the first line of defense, namely HTTP security headers, of Swedish government agency websites. In addition, collecting statistics of what HTTP security headers are actually used by Swedish government agencies today were gathered for comparison with similar studies. Methods. To fulfill the objectives of the thesis, a scan of all Swedish government agency websites, found on Myndighetsregistret, was completed and an algorithm was developed to assess the implementation of the security features. In order to facilitate tunable assessments for different types of websites, the algorithm has granular weights that can be assigned to each test to make the algorithm more generalized. Results. The results show a low overall implementation rate of the various HTTP security headers among the Swedish government agency websites. However, when compared to similar studies, the adoption of all security features are higher among the Swedish government agency websites tested in this thesis. Conclusions. Previous tools/studies mostly checked if a header was implemented or not. With our algorithm, the strength of the security header implementation is also assessed. According to our results, there is a significant difference between if a security header has been implemented, and if it has been implemented well, and provides adequate security. Therefore, traditional tools for testing HTTP security headers may be inefficient and misleading.
13
Fang, Fang. « A life-cycle-oriented negotiation framework for supply chain management : an agent-based approach with hybrid learning / ». View the Table of Contents & ; Abstract, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38289659.
Texte intégral
14
Huang, Hsin-Hui. « An exploration of the execution of software system project for supply chain management in practice : Project as Practice study ». Thesis, Umeå University, Umeå School of Business, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-18673.
Texte intégralRésumé :
The advantages of adopting a new software system for Supply Chain Management (SCM) enable the organization to enhance work efficiency as well as customer satisfaction in the supply chain network. These advantages make enterprises update their SCM system through project as a method of realize their strategic change. This research explores how the project manager leads the project team, a temporarily formed unit with multi-functional members, by looking into three focus concepts of the practice perspective: Practitioner, Praxis, and Practices. The empirical study utilized two projects in the electronics firms as the case study. It was decided that a qualitative approach was the most appropriate method to gather the data based on the practice perspective.
The findings of this thesis support this primacy of communication. To successfully execute the short duration project for system change, intra-organizational communication has an important part to play in the success of change initiatives. Analysis revealed that the project managers’ soft skills are more important than their knowledge of using project-specific tools or techniques in managing short-duration projects. In the empirical study, the requirements of all project practitioners were not met due to tight schedule and limited resource. However, the project objectives were still achieved on time. Some key success factors were identified, such as top management commitment to the project, correct prioritization of different stakeholders’ power, and involvement of employees as early as possible within the change process. The study concludes that the three focus concepts of the practice perspective interplay during the project process and they contribute to the general framework in the short duration project for realizing strategic change, which can be a reference for industry participants in managing similar projects.
15
Haberleitner, Helmut, Herbert Meyr et Alfred Taudes. « Implementation of a demand planning system using advance order information ». Elsevier, 2010. http://dx.doi.org/10.1016/j.ijpe.2010.07.003.
Texte intégralRésumé :
In times of demand shocks, when quantitative forecasting based on historical time series becomes obsolete, the only information about future demand is "advance demand information", i.e. interpreting early customer bookings as an indicator of not yet known demand. This paper deals with a forecasting method which selects the optimal forecasting model type and the level of integration of advance demand information, depending on the patterns of the particular time series. This constitutes the applicability of the procedure within an industrial application where a large number of time series is automatically forecasted in a flexible and data-driven way. The architecture of such a planning system is explained and using real-world data from a make-to-order industry it is shown that the system is flexible enough to cover different demand patterns and is well-suited to forecast demand shocks. (authors' abstract)
16
van, Hooff Jonathan, et Oscar Tegni. « Development of Supply Chain : Information System Integration at Consignment Warehouse for Improved Efficiency ». Thesis, Umeå universitet, Institutionen för matematik och matematisk statistik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-90520.
Texte intégralRésumé :
Sandvik Rock Tools is operating in a highly competitive market. This requires them to constantly improve the efficiency of their organization, in order for them to maintain their position as market leaders, both in a short-term and a long-term perspective. Sandvik Rock Tools is currently working on developing and further improving their supply chain. The supply chain is a key organizational function and improvements of the supply chain aim to yield benefits like lowered total costs and better utilized inventory levels. The purpose of our work has been to develop the supply chain between Sandvik’s in-market warehouse and their customer site at Dannemora. The main focus of this thesis has been to enable automatic data collection and to lower the stock levels at the customer site in Dannemora. This would be accomplished by improving the information flow between the two entities in the observed supply chain and by enabling real-time inventory information, easily accessible to the warehouse manager. A barcode system was implemented in the warehouse at the Dannemora customer site and was integrated with warehouse management software that was developed by the authors. The implemented barcode system and the warehouse management software were used at the Dannemora customer site for a period of two months. The effects of the implemented barcode system working in combination with the warehouse management software were observed in several operational areas after implementation, and the results were positive and beneficial. Firstly, the barcode system and warehouse management software simplified the warehouse manager’s decision process, by providing easy access to necessary warehouse management information, like realtime inventory information. Secondly, it made the day-to-day work routine of the warehouse manager easier, this being the case because the barcode system that had been implemented had digitalized and automated many tasks that had previously been performed manually by warehouse manager. An excellent example would be the simplified process for order placement and stocktaking. Thirdly, it improved the information flow between the Dannemora customer site and Sandvik’s in-market warehouse in Sandviken, thereby improving the overall effectiveness of the entire supply chain, through shared information. The barcode implementation successfully lowered inventory levels by six percent on average.
17
Pimenta, de Almeida Mariana. « Automation of Supply Processes : A Study at Ericsson AB ». Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264414.
Texte intégralRésumé :
In the Information and Communication Technology (ICT) industry, the pressure to accelerate the deployment of 5G technology has created a new competitive environment for businesses. This technology not only enables lower latency, but also higher number of connected devices, higher amounts of shared data, and faster. The growing demand from customers is pressuring every stage of the supply chain to become more efficient. In this industry, achieving a short time-tomarket is vital to stay ahead of competitors and position the company as a trend-setter in the eyes of customers. Therefore, it has become necessary to overall shorten lead times and deliver products in a faster way. This study was performed in collaboration with Ericsson AB, more specifically in the Ericsson Outbound Supply EMEA. Recent escalations from customers have shown that Ericsson’s ways of working to handle customer purchase orders are not being efficient. In many cases, it is taking longer to process the order than the lead times agreed on the contract with the customer. As a result, this study investigates how automation technologies can improve end-to-end order flows, how these can affect Ericsson as an organisation and its workforce, as well as which factors must be taken into consideration when implementing automation. In order to support the investigation, an analysis of the issues most frequently affecting hardware deliveries to customers was also conducted through the Spiderweb program. The latter is an internal improvement initiative of Ericsson Supply, focused on improving Ericsson’s order handling flows for the Market Area Europe and Latin America. The study was based on the following research questions: How can automation technologies help to improve Supply’s performance? How does automation impact the company as an organisation, its culture and workforce? How can the improvement methodology followed in the Spiderweb drive automation discoveries? Qualitative data was primarily collected through meetings with Spiderweb program drivers and 11 interviews held with different stakeholders at Ericsson Supply. Conclusively, this study indicates that the four critical factors that will require further developments for automation in Supply to become a reality are: its culture; the establishment of a data-driven organisation; the coordination of different processes and communication between dependent stakeholders; and the technical implementation of automation technology and other tools used locally. It is also concluded that the full potential of automation will only be realised if accompanied by a corresponding development of the workforce, and a clear communication of the strategy from top management. Lastly, the main recommendation to Supply regards the need to standardise order handling processes and simplify order flows, prior to any automation implementation in Supply.Inom informations- och kommunikationsteknologinäringen (IKT) har trycket för att påskynda implementeringen av 5G-teknik skapat en ny konkurrensmiljö för företagen. Denna teknik möjliggör inte bara lägre latens, utan också större antal anslutna enheter, större mängder delad data och snabbare. Den växande efterfrågan från kunderna pressar varje steg i leveranskedjan att bli effektivare. I denna bransch är det viktigt att uppnå en kort tid till marknaden för att ligga före konkurrenterna och positionera företaget som trendmässigt i kunders ögon. Därför har det blivit nödvändigt att övergripande förkorta ledtiderna och leverera produkter på ett snabbare sätt. Denna studie utfördes i samarbete med Ericsson AB, mer specifikt i Ericsson Outbound Supply EMEA. Nya upptrappningar från kunder har visat att Ericssons sätt att arbeta för att hantera kundköporder inte är effektiva. I många fall tar det längre tid att behandla beställningen än de ledtider som avtalats med kunden. I denna studie undersöks hur automatiseringstekniker kan förbättra ordningsflödena från början till slut, hur dessa kan påverka Ericsson som organisation och dess arbetskraft, samt vilka faktorer som måste beaktas vid implementering av automatisering. För att stödja utredningen genomfördes också en analys av de problem som oftast påverkar hårdvaruleveranser till kunder genom Spiderweb-programmet. Det senare är ett internt förbättringsinitiativ från Ericsson Supply, fokuserat på att förbättra Ericssons orderhanteringsflöden för marknadsområdet Europa och Latinamerika. Studien baserades på följande forskningsfrågor: Hur kan automatiseringsteknologier bidra till att förbättra Supply’s prestanda? Hur påverkar automatisering företaget som organisation, dess kultur och arbetskraft? Hur kan förbättringsmetodiken följas i Spiderweb-enhetens automatiseringsupptäckter? Kvalitativ data samlades främst genom möten med Spiderwebprogramdrivare och 11 intervjuer med olika intressenter på Ericsson Supply. Sammanfattningsvis indikerar denna studie att de fyra kritiska faktorerna som kommer att kräva ytterligare utveckling för att automatisering i Supply ska bli verklighet är: dess kultur; inrättande av en datadriven organisation; samordning av olika processer och kommunikation mellan beroende intressenter; och teknisk implementering av automatiseringsteknologi och andra verktyg som används lokalt. Det dras också slutsatsen att automatiseringspotentialen fullt ut kommer att realiseras om den åtföljs av en motsvarande utveckling av arbetskraften och en tydlig kommunikation av strategin från toppledningen. Slutligen beaktar huvudrekommendationen till Supply behovet av att standardisera orderhanteringsprocesser och förenkla orderflöden innan automatiseringsimplementering i Supply startar.
18
Tasyurt, Ibrahim. « A Web Service Based Trust And Reputation System For Transitory Collaboration Formation In Supply Chains ». Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610887/index.pdf.
Texte intégralRésumé :
Today, advancements in the information technologies increased the significance of electronic business in the world. Besides the numerous advantages provided by these advancements, competition has also increased for the enterprises. In this competitive environment, companies have to access information faster and response to the changes quickly.
In a supply chain, it is a highly possible that one of the partners may defect in providing its services. When these exceptional cases occur, the pending parties have to establish transitory collaborations to replace the missing partner promptly in order not to suffer this deficiency economically. Companies need to know the competences and capabilities of their prospective business partners before establishing partnerships. Furthermore, the reputations of the candidate partners have to be known to avoid possible regrettable partnerships.
In this thesis, we have developed a trust and reputation model that can be used over supply chains to determine and exploit the reputation of providers in transitory collaboration formation. The trust model takes the behaviors of providers, consumers into account and combines multiple criteria to aggregate a single reputation value. Experimental results show that, our model provides a robust and reliable reputation mechanism addressing a number of issues that have not been covered in the related studies.
In addition to this, an implementation of the model is realized within a Web application and the functionalities have been exposed as Web Services. The interoperability of the Web Services have been ensured through standard GS1 XML documents, which are utilized and extended in scope of the thesis. Furthermore, client interaction is provided through Web based user interfaces and REST services.
19
Li, Xiao Wen. « Strategic supply chain management : application of QAD, a leading provider of industry-specific e-business software and services to manufacturers in China ». Thesis, University of Macau, 2000. http://umaclib3.umac.mo/record=b1636662.
Texte intégral
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Milovan, Tomašević. « Adaptivni model za upravljanje lancima snabdevanja u malim i srednjim preduzećima ». Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=106850&source=NDLTD&language=en.
Texte intégralRésumé :
Osnovni istraživački problem ove disertacije predstavlja razvoj modelaza upravljanje lancima snabdevanja u cilju podizanje kvaliteta usluge.Stoga je razvijen adaptivni model za upravljanje lancima snabdevanjakoji se sastoji od modela za: upravljanje lancima snabdevanja,upravljanje korisničkim zahtevima i ocenu kvaliteta pružene usluge. Usvrhu primene adaptivni model je predstavljen algoritmom sa preciznodefinisanim koracima koje korisnik treba da sprovede da bi podigaonivo kvaliteta usluge i održao stabilnost lanca snabdevanja. Verifikacijamodela je urađena na primeru 17 lanaca snabdevanja na teritorijiRepublike Srbije, što je rezultiralo odgovorima na koji način se možepodići kvalitet usluge.Doprinos istraživanja ogleda u mogućnosti direktne primenerazvijenog modela i pružanja novih informacija za naučnu i stručnujavnost koje mogu predstavljati kvalitetnu podlogu daljem razvojumodela za upravljanje lancima snabdevanja.The basic research problem of this dissertation is the development ofsupply chain management model in order to improve the quality ofservice. Therefore, an adaptive supply chain management model hasbeen developed that consists of a model for: supply chain management,management of user requirements and assessment of the quality ofservice provided. For the purpose of application the adaptive model, itis presented an algorithm with precisely defined steps that the userneeds to implement in order to raise the level of service quality andmaintain the stability of supply. The model verification was done onthe example of 17 supply chains in the territory of the Republic ofSerbia, which resulted in answers on how to improve the quality of theservice. The contribution of the research is reflected in the possibilityof direct application of the developed model and providing newinformation for the scientific and professional public, which canrepresent a quality basis for the further development of the supplychain management model.
21
Franco, Emilio. « Information Technology (IT) Projects – A Psychological Contract Perspective ». Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24276.
Texte intégralRésumé :
Incorporating a psychological contract perspective into information technology projects, this study intends to explore the elements of the software publisher-reseller-end user psychological contract in the context of IT projects and contribute to existing literature in the field of IT psychological contracts.
The data for this study was collected via 10 interviews conducted across 5 different cases. Interviewees were asked to describe IT projects they were recently involved in and outline what they perceived to be their obligations towards the other stakeholders and likewise, the obligations of the other stakeholders upon them. Interviews were transcribed and coded in accordance with existing IT project psychological contract elements derived from literature.
The results of this study provided support to all psychological contract elements of the existing model and suggest refinements to better capture the perceived obligations of stakeholders in IT Projects. Furthermore, we observe that while the resellers’ and software publishers’ psychological contracts with end users conformed to the obligations expected under the model of supplier-customer relationships, the software reseller-software publisher psychological contracts reciprocally contained elements of both supplier and customer obligations. Finally, the findings of this study revealed that critical to the success of IT projects are the elements of transparency, accuracy, dedication, knowledge and responsibility.
22
Tröger, Ralph. « Supply Chain Event Management – Bedarf, Systemarchitektur und Nutzen aus Perspektive fokaler Unternehmen der Modeindustrie ». Doctoral thesis, Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-155014.
Texte intégralRésumé :
Supply Chain Event Management (SCEM) bezeichnet eine Teildisziplin des Supply Chain Management und ist für Unternehmen ein Ansatzpunkt, durch frühzeitige Reaktion auf kritische Ausnahmeereignisse in der Wertschöpfungskette Logistikleistung und -kosten zu optimieren.
Durch Rahmenbedingungen wie bspw. globale Logistikstrukturen, eine hohe Artikelvielfalt und volatile Geschäftsbeziehungen zählt die Modeindustrie zu den Branchen, die für kritische Störereignisse besonders anfällig ist. In diesem Sinne untersucht die vorliegende Dissertation nach einer Beleuchtung der wesentlichen Grundlagen zunächst, inwiefern es in der Modeindustrie tatsächlich einen Bedarf an SCEM-Systemen gibt.
Anknüpfend daran zeigt sie nach einer Darstellung bisheriger SCEM-Architekturkonzepte Gestaltungsmöglichkeiten für eine Systemarchitektur auf, die auf den Designprinzipien der Serviceorientierung beruht. In diesem Rahmen erfolgt u. a. auch die Identifikation SCEM-relevanter Business Services. Die Vorzüge einer serviceorientierten Gestaltung werden detailliert anhand der EPCIS (EPC Information Services)-Spezifikation illustriert.
Abgerundet wird die Arbeit durch eine Betrachtung der Nutzenpotenziale von SCEM-Systemen. Nach einer Darstellung von Ansätzen, welche zur Nutzenbestimmung infrage kommen, wird der Nutzen anhand eines Praxisbeispiels aufgezeigt und fließt zusammen mit den Ergebnissen einer Literaturrecherche in eine Konsolidierung von SCEM-Nutzeffekten. Hierbei wird auch beleuchtet, welche zusätzlichen Vorteile sich für Unternehmen durch eine serviceorientierte Architekturgestaltung bieten.
In der Schlussbetrachtung werden die wesentlichen Erkenntnisse der Arbeit zusammengefasst und in einem Ausblick sowohl beleuchtet, welche Relevanz die Ergebnisse der Arbeit für die Bewältigung künftiger Herausforderungen innehaben als auch welche Anknüpfungspunkte sich für anschließende Forschungsarbeiten ergeben.
23
Žideckas, Egidijus. « Tiekimo proceso kontrolės metodų analizė ir taikymas kuriant informacinę sistemą ». Master's thesis, Lithuanian Academic Libraries Network (LABT), 2004. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2004~D_20040527_154217-86410.
Texte intégralRésumé :
An overall process of globalization influences major changes in companies’ bussiness strategy. Supply chain management (SCM) becomes one of the most prioritetical activities in company. Seeking to survive in hard competition, they must improve their distribution strategies. Spreading Net technology requires flexible company to work directly with suppliers and to be able to react quickly and reasonably to demanding environmental changes. The classic objective of SCM is to be able to have the right products in the right quantities (at the right place) at the right moment at minimal cost. This requires a close integration of effective control functions and SCM to assure correctness and maturity of sending and receiving information, complience with internal company rules and supply strategies. This paper analyses SCM information systems emphasising their principles, pecularities and weaknesses. A new control method of SCM is introduced — „SCM using complex control methods“. It adds content management principles to current SCM control methods. This paper describes system concept, system architecture and generic business process models. To prove effectiveness of this method software was designed, developed and implemented in one big trading company. Additionally quality research of implemented software was made and it showed the effectiveness of applying quality assurence in software implementation process.
24
Cunha, Gilberto José da. « Metodologia para modelagem do sistema agroindustrial visando identificar parâmetros de rastreabilidade e qualidade - aplicação na malacocultura continental ». Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-11052009-134159/.
Texte intégralRésumé :
O trabalho apresenta como inovação, inclusive em nível internacional, a utilização de métodos e técnicas de engenharia de software e de sistemas aplicadas aos Sistemas Agroindustriais (SAG), definindo uma metodologia objetivando facilitar maior compreensão dos relacionamentos e atividades dos diversos agentes componentes de um SAG; modelar graficamente as atividades dos agentes e demais envolvidos em cada etapa de uma cadeia produtiva, através de IDEF0, BPMN e Casos de Uso; identificar informações para qualidade, rastreabilidade do produto e seus insumos ao longo da cadeia produtiva. Efetua, também com caráter inovador, a aplicação dessa metodologia na área de produtos exóticos através da modelagem de atividades pertencentes ao SAG da Malacocultura Continental (criação comercial de escargots), agronegócio inserido na política de incentivo à Agroindústria Familiar. As exigências dos consumidores de produtos agropecuários em relação a qualidade, segurança e rastreabilidade tem crescido ano após ano devido ao medo de problemas com saúde, como o mal da vaca louca. A modelagem do Sistema Agroindustrial (SAG) possibilita identificar necessidades de informação e automação em uma cadeia produtiva, explorar essas possibilidades de modo a permitir a especificação de sistemas de informação que suportem os negócios dos diversos agentes ao longo da cadeia produtiva satisfazendo os requisitos de qualidade e rastreabilidade dos consumidores. A aplicação de um modelo de caso de uso também é apresentada, descrevendo as atividades componentes de processos ao longo da cadeia produtiva, permitindo a identificação de requisitos e informações de rastreabilidade e qualidade. A técnica de casos de uso aplicada na cadeia produtiva ajuda na especificação de sistemas de informação de melhor qualidade e mais aderentes aos processos de negócio envolvidos. Como exemplo é a apresentada a modelagem (utilizando IDEF0, BPMN e casos de uso) de alguns processos de negócio e informação pertencentes à cadeia produtiva da malacocultura continental. A aqüicultura mundial tem se destacado pelo crescimento e sucessivo aumento de produtividade, conferindo, a este tipo de produção, posição de destaque dentro do setor pecuário internacional. Entre as várias modalidades de aqüicultura, nas duas últimas décadas, a criação de escargots (malacocultura) tem merecido atenção de empresários, órgãos de fomento governamentais e pesquisadores. Em águas continentais, a malacocultura continental especialmente a ampularicultura pode ser reconhecida como forma para produção de moluscos com baixo impacto ambiental, sob sistema de produção compatível com pequenas propriedades, o que contribui na maior oferta de alimento para as famílias rurais, aumento na disponibilidade de alimentos de alto valor nutricional e na renda familiar.It is proposed the application of some Systems and Software Engeneering techniques to the modeling of agro-industrial systems, in an innovative way, defining a methodology in order to better understand the activities and relationships among the many agents within an specific supply chain. It also permits the productive chain graphical modeling using IDEF0, BPMN and Use Cases. The main goal is to identify information for product traceability and quality through the productive chain. There is also presented, another innovation, the application of this methodology to the Continental Malacoculture Agro-industrial System. Customers\' requirements for agro food products quality, safety and traceability have been rising year after year due to the fear of health problems, such as the mad cow disease. The Productive Chain Modeling helps identifying the information and automation needs of a production chain, exploring its possibilities in order to specify information systems that support the business of the many agents throughout the agro food chain and fulfills customers\' quality and traceability requirements. The application of Use Case Model is also presented for requirements and traceability identification and gathering throughout the productive chain. The Use Case technique applied to the productive chain helps to specify more quality and adherent information systems. As an example of those methods, some business and information processes modeling applied to the Continental Malacoculture Productive Chain are presented, using the IDEF0, BPMN and use case techniques. Worldwide aquaculture has increased in importance due to growth and successive increase in productivity, conferring this type of production an outstanding position in the international animal production sector. Amongst different modalities of aquaculture, in the last two decades, the production of escargots (malacoculture) has deserved attention from businessmen, government and researchers. In continental waters, Continental Malacoculture, especially ampullariculture can be seen as a way of producing low impact mollusks, using a system compatible with small farms production, contributing to a greater increase in the availability of high nutritional value food and also improving rural families\' income.
25
Salman, Rosine Hanna. « Exploring Capability Maturity Models and Relevant Practices as Solutions Addressing IT Service Offshoring Project Issues ». PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1843.
Texte intégralRésumé :
Western countries' information technology and software intensive firms are increasingly producing software and IT services in developing countries. With this swift advancement in offshoring, there are many issues that can be investigated which will enable companies to maximize their benefits from offshoring. However, significant challenges can occur throughout the lifecycle of offshoring IT service projects that turn the potential benefits into losses. This research investigated CMM/CMMI best practices and their effects on managing and mitigating critical issues associated with offshore development.
Using a web based survey, data was collected from 451 Information Technology and software development firms in the US. The survey instrument was validated by an expert panel which included practitioners and researchers. The survey population consisted of Information Technology and software engineering managers who work on offshore IT and software development projects. Statistical methods including Chi Square and Cramer's V were used to test the research hypotheses.
The results of the analysis show that IT companies applying CMM/CMMI models have fewer issues associated with IT offshoring. When US IT companies utilize and incorporate different practices from TSP and People CMM into CMMI for DEV/SVC and CMMI for ACQ, they have fewer offshoring issues related to language barriers and cultural differences.
The results of this research contribute to the existing body of knowledge on the offshoring of IT services from the client management perspective and provide practitioners with increased knowledge regarding IT offshoring decisions.
26
Massimino, Brett J. « Operational Factors Affecting the Confidentiality of Proprietary Digital Assets ». The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405683732.
Texte intégral
27
Šušič, Luka. « Rozvoj modelu MBI v oblasti implementace a řízení elektronických nákupních systémů ». Master's thesis, Vysoká škola ekonomická v Praze, 2013. http://www.nusl.cz/ntk/nusl-192465.
Texte intégralRésumé :
This thesis covers an area of procurement of companies. It's specifically orientated on supporting the procurement processes by electronic purchasing system. In the first part there are by literature search, identified and analyzed key factors for successful realization of the implementation and management of electronic purchasing system. In the second part there is comparison of the case study in Unipetrol Services s.r.o. and the key factors of the first part, which is resulting in a deduction and generalization of best practices for implementation and management of electronic purchasing systems. The main benefit and also the outcome of this work is an extension of the reference model MBI, based on a facts and practical experience in procurement area.
28
Qu, Zhe. « Three essays on the economics of information technology innovation ». Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24777.
Texte intégralRésumé :
Thesis (Ph.D.)--Management, Georgia Institute of Technology, 2008.Committee Chair: Narasimhan, Sridhar; Committee Member: Li, Haizheng; Committee Member: Slaughter, Sandra; Committee Member: Thursby, Marie; Committee Member: Zhang, Han.
29
Autoren, Sammelband mehrerer. « Vernetzt planen und produzieren VPP 2006 : Tagungsband Chemnitz 14. und 15. September 2006 ». Universitätsbibliothek Chemnitz, 2007. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200701101.
Texte intégralRésumé :
Vor dem Hintergrund sich immer schneller und stärker wandelnder Marktbedingungen gelten Netzwerke als die Unternehmensform des 21. Jahrhunderts. Sie erlauben insbesondere kleinen und mittelständischen Unternehmen die Erhaltung und Erhöhung ihrer Wettbewerbsfähigkeit durch gezielte Kooperation und Bündelung ihrer Kompetenzen. Unternehmen benötigen dafür entsprechende Methoden und Instrumentarien. Diese stehen neben Theorien und Modellen im Mittelpunkt der wissenschaftlichen Arbeiten des Sonderforschungsbereiches (SFB) 457 „Hierarchielose regionale Produktionsnetze“ an der Technischen Universität Chemnitz.
Zum nunmehr fünften Male findet am 14. und 15. September 2006 die Fachtagung „Vernetzt planen und produzieren – VPP 2006“ statt. Es werden auch in diesem Jahr die aktuellen Ergebnisse des SFB 457, weiterer nationaler und internationaler Forschungsarbeiten und -projekte auf dem Gebiet der Netzwerkforschung sowie Erkenntnisse und Erfahrungen der praktischen Umsetzung durch die Industrie von Wissenschaftlern und Praktikern vorgestellt und diskutiert.
Als Referenten der Plenarveranstaltung werden Herr Prof. Kuhn von der Universität Dortmund, Herr Prof. Westkämper von der Universität Stuttgart, Herr Prof. Herzog von der Universität Bremen, Herr Prof. Nyhuis von der Universität Hannover und Herr Prof. Smirnov von der Russischen Akademie der Wissenschaften Sankt Petersburg in ihren Beiträgen verschiedene Aspekte von Netzwerken thematisieren.
Neben den schon traditionellen Workshops zu verschiedenen Themenbereichen des Bildens und Betreibens von Netzwerken wird in diesem Jahr ein zusätzlicher Workshop zum Thema „Netzwerke und Cluster in der brasilianisch-deutschen Zusammenarbeit“ stattfinden. Dieser ist Teil des Besuches einer Delegation aus Vertretern der Regierung und Wirtschaft des brasilianischen Bundesstaates Bahia, die gemeinsam mit Vertretern des Bundesministeriums für Bildung und Forschung sowie des Sächsischen Ministeriums für Wirtschaft und Arbeit an der Tagung teilnehmen werden, um neue Kontakte zu schließen und weitere Kooperationsvorhaben zu initiieren. Die Tagung „Vernetzt planen und produzieren – VPP 2006“ ist gleichzeitig Abschlusskolloquium des SFB 457, welcher nach sieben Jahren intensiver und erfolgreicher Netzforschung dieses Jahr endet. Maßgeblichen Anteil am SFB 457 hatten die ehemaligen Sprecher Prof. Siegfried Wirth und Prof. Hartmut Enderlein.
30
Pokorný, Pavel. « Využití optimalizace v řízení výroby ». Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2008. http://www.nusl.cz/ntk/nusl-221771.
Texte intégralRésumé :
The Master’s thesis deals with production scheduling in an industrial company. It uses the means of artificial intelligence to develop an appropriate production schedule in a generalized Flow-shop Programming problem. This problem can be solved by application which is a result of this thesis and was prepaired with use of the software Matlab 7.1 and its Genetic Algorithm and Direct Search toolbox. There is a part devoted to the use of advanced production systems (APS) and the concept of the operative production planning in praxis as well. The thesis pays attention to various optimization models in production scheduling and supply chain management too.
31
Bester, Morné. « Supply chain intelligent agents ». Thesis, 2012. http://hdl.handle.net/10210/5744.
Texte intégralRésumé :
M.Sc.The manufacturing sector has produced a wide variety of techniques in its attempts to find the ultimate solution for the manufacturing process, with these techniques ranging from material requirements planning, just-in-time production, total-quality management, flexible manufacturing systems and computer integrated manufacturing to advanced planning and scheduling. Given the fact that the technique entitled "advanced planning and scheduling" in the manufacturing environment is primarily aimed at resource planning and scheduling during the production process, however, a clamant need was created for manufacturing companies to broaden their focus in order to include all the processes involved in the production environment, as well as the external processes impacting on productivity. A large area that came into focus owing to the latter paradigm shift is known as "supply chain management". Supply chain management is concerned with the integration of and communication between the various elements in the entire supply chain, including elements such as demand planning and forecasting, scheduling, customer sales, supplier purchases, production planning and forecasting, resource planning and warehouse management. This research study will be devoted to an investigation into the issues surrounding supply chain management and all its manifestations, including its basic components and their integration and interaction. This investigation will also cover research into scheduling systems up to current reactive constraintbased scheduling systems, since scheduling is deemed to be the core of the supply chain in terms of the influence it exerts on most other components, be it directly or indirectly. The investigation will also take us into the realm of an exciting new technology whose exponents are known as "intelligent software agents", which agents are aimed at providing autonomy to the objects within a system and which agents are characterised by their behaviour and decision processes. The said agents can be used to perform highly specialised tasks during the manufacturing process, such as scheduling and forecasting. A prototype system will be developed in the course of the research in a bid to illustrate the integration, evaluation and monitoring of the supply chain elements through the use of intelligent agents. By endowing the system with intelligence, the researchers hope to identify many future uses for intelligent agents in the various segments of the supply chain.
32
Goldsmith, B. « A Peer to Peer Supply Chain Network ». 2004. http://eprints.utas.edu.au/148.
Texte intégralRésumé :
Many papers have speculated on the possibility of applying peer-to-peer networking concepts to networks that exist in the physical world such as financial markets, business or personal communication and ad hoc networking. One such application that has been discussed in the literature has been the application of peer-to-peer to corporate supply chains to provide a flexible communication medium that may overcome some classical problems in supply chain management. This thesis presents the design, development and evaluation of a system which implements a peer-to-peer supply chain system. A general, flexible peer-to-peer network was developed which serves as a foundation to build peer-to-peer data swapping applications on top of. It provides simple network management, searching and data swapping services which form the basis of many peer-to-peer systems. Using the developed framework, a supply chain focussed application was built to test the feasibility of applying peer-to-peer networking to supply chain management. Results and discussion are presented of a scenario analysis which yielded positive results. Several future directions for research in this area are also discussed.
33
Goldsmith, B. « A Peer to Peer Supply Chain Network ». Thesis, 2004. https://eprints.utas.edu.au/148/1/bcg_frontmatter.pdf.
Texte intégralRésumé :
Many papers have speculated on the possibility of applying peer-to-peer networking concepts to networks that exist in the physical world such as financial markets, business or personal communication and ad hoc networking. One such application that has been discussed in the literature has been the application of peer-to-peer to corporate supply chains to provide a flexible communication medium that may overcome some classical problems in supply chain management. This thesis presents the design, development and evaluation of a system which implements a peer-to-peer supply chain system. A general, flexible peer-to-peer network was developed which serves as a foundation to build peer-to-peer data swapping applications on top of. It provides simple network management, searching and data swapping services which form the basis of many peer-to-peer systems. Using the developed framework, a supply chain focussed application was built to test the feasibility of applying peer-to-peer networking to supply chain management. Results and discussion are presented of a scenario analysis which yielded positive results. Several future directions for research in this area are also discussed.
34
Lin, Hsin-Yuan, et 林新原. « Applying Agile Software Development Methodology to Construct Operating Room Supply Chain System ». Thesis, 2015. http://ndltd.ncl.edu.tw/handle/vexg67.
Texte intégralRésumé :
碩士淡江大學
資訊工程學系碩士班
103
The Taiwan’s National Health Insurance (NHI) program is a mandatory as well as a single-payer social insurance system, founded on the principle that everybody should have equal access to health care services. For Taiwan government, the pro-gram has been operating in deficit all the way since. To ensure the system''s financial sustainability and soundness, the NHI Administration demands the cost on medical equipment to be lower each year; however, the material suppliers refuse to decrease the price. In other words, the healthcare organizations are sandwiched between the government and material suppliers. Hence, healthcare organizations need to manage their medical equipment effectively. Operating rooms have the highest demand for medical equipment among the departments in a hospital and have great influence on the hospital financial perfor-mance. Therefore, issues such as effectively managing the usage flow of medical equipment in operating rooms, decreasing the ordinary wear and tear and storage of medical equipment, strengthening the business relationship between hospitals and suppliers, and reducing the medical staff''s workload are crucial for hospitals. This research use agile software development methodologies to build an oper-ating room supply chain management system, which integrates the business opera-tion model used in vendor managed inventory for hospitals. With the application of electronic data interchange model, the system can decrease the time for medical staffs spend on non-medical practices, contact suppliers effectively, and have correct communication between medical staffs. To conclude, the research can help with the supply chain management in hos-pitals, make effective medical equipment management, and reduce the operation burden. Also, all the data produced can be regarded as the basic data of the Big Data research on clinical medicine.
35
Liu, Zheng-Yuan, et 劉烝源. « Applying Fuzzy Logic and Software Agents to Inventory Decision in a Supply Chain ». Thesis, 2005. http://ndltd.ncl.edu.tw/handle/97241567560600680106.
Texte intégralRésumé :
碩士朝陽科技大學
工業工程與管理系碩士班
93
Inventory control is an important issue in supply chain management. Enterprises have to set up the inventory to contain the variation in real environment but hard to do, and therefore perform the optimum inventory strategy for each member in dynamic multi-layer supply chain by using software agents. This study applied fuzzy logic to software agent for making decision. The system model was built by ithink Stella and the order quantity decided by traditional proportion control and fuzzy control. Experiment results demonstrate that fuzzy control with inventory does reduce the total cost and bullwhip effect , and members in supply chain can get high order fulfillment ratio.
36
Silva, Antero Guimarães Pacheco da. « Persona adaptable visualization scheduling in supply chain management for an ERP system ». Master's thesis, 2009. http://hdl.handle.net/10216/66736.
Texte intégral
37
Silva, Antero Guimarães Pacheco da. « Persona adaptable visualization scheduling in supply chain management for an ERP system ». Dissertação, 2009. http://hdl.handle.net/10216/66736.
Texte intégral
38
Huang, Chi-Hung, et 黃繼弘. « The collaborative mechanism on supply chain implementation for software industry - The case of horizontal integration in ERP system ». Thesis, 2002. http://ndltd.ncl.edu.tw/handle/50113145345600285534.
Texte intégralRésumé :
碩士國立政治大學
資訊管理學系
90
In recent years, the computer hardware industry contributes a splendid performance in Taiwan. In addition to the export to foreign country, some even have a well-known brand. With no doubt, we can see the whole picture of the intact-division of labor in the hardware industry, and the outstanding performance of its carrying out supply chain management. Although the definition of division between upstream and downstream is not so clear in the software industry, there do exist a division of labor to some degree. As the popularity and progress of the concepts and technologies of the software component, the possibility of specialization in division of labor will get increasing in the software industry. There is an interesting research topic, which form of division of labor will exist in the software industry after all. The focus of this study is on the collaborative mechanism of software component supply chain in the software industry. We try to figure out how to refer to the successful experience of hardware industry implementing supply chain management to drive the supply chain management of the software component in domestic software industry. This study will takes the ERP package vendors as the study object to propose a methodology of horizontal integration of different software packages and to do further implementation for verification. Technically, this study applies an ebXML-like process-oriented integration technology, and facilitates the purpose of low coupling between components by using XML and web service technology. If the integration among the modules of different ERP packages could be made to some extent, the picture of division of labor in the software industry could be outlined, and it also will brings the software vendors some chance to re-allocate. In addition to solve the bottlenecks of technical problems of software horizontal integration, the future model of division of labor in software industry will be also a subject to address in this study.
39
Moynihan, Paul. « Knowledge-based SOA framework for improved supply chain integration and delivery ». Thesis, 2013. https://vuir.vu.edu.au/24333/.
Texte intégralRésumé :
Supply chains are everywhere that people do business, from a single market stall by the side of a road to a multinational corporation. Wherever there are goods and services that need to be used in a scheduled way to create a product that will be sold.
The problem that this thesis addresses is to manage a subset of supply chains; those that the participants of can be connected to electronically via the Internet, and to automatically optimize the flows between multiple supply chains. The methods used are a collection of heuristic rules for routing supply chain flow, a software engine to work through these rules and send messages to web services that encapsulate supply chain entities and a web based interface to view and measure the overall supply chain efficiencies.
The preliminary results show that some supply chains can be managed electronically, and it is possible to squeeze savings in time and money, by managing supply chain flow automatically, and that heuristic rules could work as well as the Simplex method in optimizing multiple supply chains.
40
Rodrigues, Tiago André Pires. « Software de ERP e SCM nas PMEs portuguesas : O caso Microsoft Dynamics NAV ». Master's thesis, 2009. http://hdl.handle.net/10071/1967.
Texte intégralRésumé :
A globalização e a elevada concorrência entre empresas exige um aumento da eficiência
e produtividade levando-as a adoptarem sistemas de informação que as auxiliem nesta
tarefa. O Enterprise Resource Planning (ERP) facilita o fluxo de informação dentro da
organização, com fornecedores, clientes e outros intervenientes da Supply Chain
Planning (SCM).
Este estudo pretende analisar o impacto que as aplicações de ERP têm no SCM das
empresas e tem como objectivo determinar o papel da gestão da cadeia de
abastecimento na criação de elementos diferenciadores e vantagens competitivas,
identificar as funcionalidades que as Pequenas e Médias Empresas (PMEs) portuguesas
valorizam num software de ERP e detectar os factores que influenciam uma
implementação de sucesso deste tipo de sistemas de informação.
Para este estudo foram realizadas entrevistas semi-estruturadas para recolher o máximo
de informação sobre o tema. As entrevistas foram feitas aos Microsoft Certified Partners
que implementam o software Microsoft Dynamics NAV.
Os resultados obtidos nesta análise qualitativa mostraram quais as características mais
valorizadas pelas PMEs portuguesas nos diversos módulos que integram um software de
ERP. Este estudo revelou ainda qual a imagem, grau de satisfação e as razões que
influenciam que o processo de implementação seja bem sucedido.
Este é um tema ainda pouco explorado pela comunidade científica, especialmente
reflectindo a realidade das PMEs portuguesas, tornando-se assim um estudo relevante
do ponto de vista teórico prático.Globalization and intense competition between enterprises requires them to increase efficiency and productivity leading to the adoption of information systems that assist them in this task. The Enterprise Resource Planning (ERP) facilitates the flow of information within the organization, with suppliers, customers and other stakeholders of the Supply Chain Planning (SCM). This study analyzed the impact of ERP applications in the SCM and aims to determine the role of managing the supply chain to create distinctive features and competitive advantages, identify the characteristics that Portuguese Small and Medium Enterprises (SMEs) value in ERP software and the factors that influence a successful implementation of this type of this IT. For this study were conducted semi-structured interviews to gather as much information on the subject. The interviews were made to Microsoft Certified Partners who implement the software Microsoft Dynamics NAV. The results of this qualitative analysis demonstrate the characteristics most valued by Portuguese SMEs in the different modules that integrate an ERP software. This study also shown the image and satisfaction of the enterprises that implement an ERP application and the reasons that influence a successful implementation. This is a topic still largely unexplored by the scientific community, especially reflecting the Portuguese SMEs, thus becoming a relevant study in terms of theory and practice.
41
Gil-Campos, Teresa Lucia. « Impacts of Information Technology (IT) Systems on the Efficiency of Empty-Container Park Operations for the Port of Melbourne ». Thesis, 2016. https://vuir.vu.edu.au/31013/.
Texte intégralRésumé :
As disclosed by the Port of Melbourne Corporation in 2015, full import containers significantly outnumber full export containers in the port of Melbourne, indicating that the port has become a major import container location experiencing acute pressures to manage the disequilibrium in trade flows. The report further points to increased container volumes through the port of Melbourne over the decade 2005-2015 – an increase of 650,000 twenty-foot containers. This growth in port-related containerised volumes creates capacity constraints in landside transport infrastructures and container parks’ facilities resulting from increased truck movements in and around the port of Melbourne.
As specified by the Australian Competition and Consumer Commission in 2011, these capacity constraints at container parks resulted from random truck arrivals patterns, which caused depots to alternate periods of low truck traffic activity with periods of excess demand that generated major delays. Also, transport carriers often arrived at container parks to be notified of the unavailability of stocks to attend to empty collections, that is, futile trips occurred on a regular basis.
In this line, previous industry studies had noted in as early as 2004 and 2005 the need to implement a vehicle booking system with a view to deliver superior visibility and thus operational gains for the empty-container supply chain in an effort to address the capacity challenges already experienced in and around the port of Melbourne.
This thesis examines the proposition that the adoption of information technology is central in integrating and thus streamlining container chain operations resulting in superior supply chain efficiency. For this purpose this research will explore, in a detailed case study, the adoption of the Containerchain portal by some of the empty-container parks in the port of Melbourne. In particular, this thesis seeks to shed light on the impacts this web-based application is having on the integration of chain activities and operational chain efficiency given differentiated empty-container parks and empty-container chains.
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(8635641), Servio Ernesto Palacios Interiano. « Auditable Computations on (Un)Encrypted Graph-Structured Data ». Thesis, 2020.
Trouver le texte intégralRésumé :
Graph-structured data is pervasive. Modeling large-scale network-structured datasets require graph processing and management systems such as graph databases. Further, the analysis of graph-structured data often necessitates bulk downloads/uploads from/to the cloud or edge nodes. Unfortunately, experience has shown that malicious actors can compromise the confidentiality of highly-sensitive data stored in the cloud or shared nodes, even in an encrypted form. For particular use cases —multi-modal knowledge graphs, electronic health records, finance— network-structured datasets can be highly sensitive and require auditability, authentication, integrity protection, and privacy-preserving computation in a controlled and trusted environment, i.e., the traditional cloud computation is not suitable for these use cases. Similarly, many modern applications utilize a "shared, replicated database" approach to provide accountability and traceability. Those applications often suffer from significant privacy issues because every node in the network can access a copy of relevant contract code and data to guarantee the integrity of transactions and reach consensus, even in the presence of malicious actors.
This dissertation proposes breaking from the traditional cloud computation model, and instead ship certified pre-approved trusted code closer to the data to protect graph-structured data confidentiality. Further, our technique runs in a controlled environment in a trusted data owner node and provides proof of correct code execution. This computation can be audited in the future and provides the building block to automate a variety of real use cases that require preserving data ownership. This project utilizes trusted execution environments (TEEs) but does not rely solely on TEE's architecture to provide privacy for data and code. We thoughtfully examine the drawbacks of using trusted execution environments in cloud environments. Similarly, we analyze the privacy challenges exposed by the use of blockchain technologies to provide accountability and traceability.
First, we propose AGAPECert, an Auditable, Generalized, Automated, Privacy-Enabling, Certification framework capable of performing auditable computation on private graph-structured data and reporting real-time aggregate certification status without disclosing underlying private graph-structured data. AGAPECert utilizes a novel mix of trusted execution environments, blockchain technologies, and a real-time graph-based API standard to provide automated, oblivious, and auditable certification. This dissertation includes the invention of two core concepts that provide accountability, data provenance, and automation for the certification process: Oblivious Smart Contracts and Private Automated Certifications. Second, we contribute an auditable and integrity-preserving graph processing model called AuditGraph.io. AuditGraph.io utilizes a unique block-based layout and a multi-modal knowledge graph, potentially improving access locality, encryption, and integrity of highly-sensitive graph-structured data. Third, we contribute a unique data store and compute engine that facilitates the analysis and presentation of graph-structured data, i.e., TruenoDB. TruenoDB offers better throughput than the state-of-the-art. Finally, this dissertation proposes integrity-preserving streaming frameworks at the edge of the network with a personalized graph-based object lookup.