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Tesis sobre el tema "Event-Chain"

Autor: Grafiati

Publicado: 30 de noviembre de 2024

Última modificación: 31 de julio de 2025

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1

Collazo, Rodrigo A. "The dynamic chain event graph." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/91075/.

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The Chain Event Graph (CEG) is a type of tree-based graphical model that accommodates all discrete Bayesian Networks as a particular subclass. It has already been successfully used to capture context-specific conditional independence structures of highly asymmetric processes in a way easily appreciated by domain experts. Being built from a tree, a CEG has a huge number of free parameters that makes the class extremely expressive but also very large. Exploring the enormous CEG model space then makes it necessary to design bespoke algorithms for this purpose. All Bayesian algorithms for CEG mode

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2

Thwaites, Peter. "Chain event graphs : theory and application." Thesis, University of Warwick, 2008. http://wrap.warwick.ac.uk/49194/.

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This thesis is concerned with the Graphical model known as the Chain Event Graph (CEG) [1][60][61], and develops the theory that appears in the currently published papers on this work. Results derived are analogous to those produced for Bayesian Networks (BNs), and I show that for asymmetric problems the CEG is generally superior to the BN both as a representation of the problem and as an analytical tool. The CEG is designed to embody the conditional independence structure of problems whose state spaces are asymmetric and do not admit a natural Product Space structure. In this they differ from

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3

Freeman, Guy. "Learning and predicting with chain event graphs." Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/4529/.

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Graphical models provide a very promising avenue for making sense of large, complex datasets. The most popular graphical models in use at the moment are Bayesian networks (BNs). This thesis shows, however, they are not always ideal factorisations of a system. Instead, I advocate for the use of a relatively new graphical model, the chain event graph (CEG), that is based on event trees. Event trees directly represent graphically the event space of a system. Chain event graphs reduce their potentially huge dimensionality by taking into account identical probability distributions on some of the ev

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4

Albors, Marques Laura, and Jagathishvar Jayakumar. "Discrete Event Simulation for Aftermarket Supply Chain." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280678.

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The planning of an Aftermarket Supply Chain is a very complex task. This is due to an unpredictable demand which is driven by the need for maintenance and repair. This drive translates to a high variety of lead times, a large number of stock-keeping units (SKUs) and the capacity to deliver spare parts during its full lifecycle. With all these complexities in place, optimizing and parametrizing the planning process is a difficult and time-consuming task. Moreover, the current optimization tool focuses only on one node (each warehouse individually) of the whole Supply Chain, without considering

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5

Suzuki, Yuya. "Rare-event Simulation with Markov Chain Monte Carlo." Thesis, KTH, Matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-138950.

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In this thesis, we consider random sums with heavy-tailed increments. By the term random sum, we mean a sum of random variables where the number of summands is also random. Our interest is to analyse the tail behaviour of random sums and to construct an efficient method to calculate quantiles. For the sake of efficiency, we simulate rare-events (tail-events) using a Markov chain Monte Carlo (MCMC) method. The asymptotic behaviour of sum and the maximum of heavy-tailed random sums is identical. Therefore we compare random sum and maximum value for various distributions, to investigate from whic

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6

Gudmundsson, Thorbjörn. "Rare-event simulation with Markov chain Monte Carlo." Doctoral thesis, KTH, Matematisk statistik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-157522.

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Stochastic simulation is a popular method for computing probabilities or expecta- tions where analytical answers are difficult to derive. It is well known that standard methods of simulation are inefficient for computing rare-event probabilities and there- fore more advanced methods are needed to those problems. This thesis presents a new method based on Markov chain Monte Carlo (MCMC) algorithm to effectively compute the probability of a rare event. The conditional distri- bution of the underlying process given that the rare event occurs has the probability of the rare event as its normalisin

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7

Fantozzi, Esmè 1968. "A strategic approach to supply chain event management." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/28565.

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Thesis (M. Eng. in Logistics)--Massachusetts Institute of Technology, Engineering Systems Division, 2003.<br>Includes bibliographical references (p. 35).<br>This thesis project explores the possibility to apply project management techniques, specifically critical path method, and PERT, to supply chain event management. The idea behind the project is to create a framework for putting supply chain events into a broader supply chain context and assessing their criticality. Such a framework can then be utilized as a starting point for supply chain event management software applications. The proble

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8

Wiedenbruch, Alexander [Verfasser]. "A Modeling Language for Supply Chain Event Management / Alexander Wiedenbruch." München : Verlag Dr. Hut, 2014. http://d-nb.info/1047994801/34.

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9

Barclay, Lorna M. "Modelling and reasoning with chain event graphs in health studies." Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/63223/.

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The Chain Event Graph (CEG) is a new class of graphical model, first introduced in Smith and Anderson [2008], which is derived from a probability tree by merging vertices whose associated conditional probabilities are the same. It is proving to be a useful framework for modelling asymmetric problems and further generalises the Bayesian Network (BN), by allowing for context-specific dependence structures between the variables of the problem. This thesis provides a first demonstration of the value of using the CEG in real-world applications and the new techniques developed here are motivated by

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10

Mendling, Jan, and Gustaf Neumann. "Yet Another Event-driven Process Chain - Modelling Workflow Patterns with yEPCs." Gesellschaft für Informatik e.V, 2005. http://epub.wu.ac.at/6018/1/Mendling_etal_2005_EMISA_Yet%2DAnother%2DEvent%2Ddriven.pdf.

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The 20 workflow patterns proposed by van der Aalst et al. provide a comprehensive benchmark for comparing process modelling languages. In this article, we discuss workflow pattern support of Event-Driven Process Chains (EPCs). Building on this analysis, we propose three extensions to EPCs in order to provide for workflow pattern support. These are the introduction of the so-called empty connector; inclusion of multiple instantiation concepts; and a cancellation construct. As both the latter are inspired by YAWL, we refer to this new class of EPCs as Yet Another Event-driven Process Chain (yEPC

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11

Amundson, Joseph S. "Modeling of Biorefinery Supply Chain Economic Performance with Discrete Event Simulation." UKnowledge, 2013. http://uknowledge.uky.edu/ms_etds/6.

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As competition for fossil fuels accelerates, alternative sources of chemicals, fuels, and energy production become more appealing to researchers and the layman. Among the candidates to fill this growing niche is lignocellulosic biomass. Many researchers have examined supply chain design and optimization for biofuel and bioenergy production throughout the years. However, these models often fail to capture the variability and uncertainty inherent to the biomass supply chain. Multiple factors with high degrees of stochasticity can have major impacts on the performance of a biorefinery: weather, b

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12

Pavlou, Soultana. "An information systems framework for event management in supply chain operations." Thesis, City University London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434582.

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13

Hunewald, Christian. "Supply Chain Event Management : Anforderungen und Potentiale am Beispiel der Automobilindustrie /." Wiesbaden : Deutscher Universitäts-Verlag, 2005. http://www.gbv.de/dms/zbw/484947206.pdf.

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14

Gudmundsson, Thorbjörn. "Markov chain Monte Carlo for rare-event simulation in heavy-tailed settings." Licentiate thesis, KTH, Matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134624.

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15

Saad, Nordin. "Modelling, simulation, and analysis of supply chain systems using discrete-event simulation." Thesis, University of Sheffield, 2003. http://etheses.whiterose.ac.uk/14771/.

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Many approaches have been developed which support the construction of detailed supply chain models useful for analysis and simulation. However, most of these approaches lack the ability to model the supply chain in a single model, and usually produce solutions that lead to conflicting strategies between the companies. Simulation using a discrete-event simulation (DES) is an effective tool for the dynamically changing supply chain variables, thus allowing the system to be modelled more realistically. Considering the complexities of the supply chain system and the interrelations between its vari

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16

Lodha, Rakesh. "An Event-Trigger-Rule based supply-chain management system over the Internet." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1001163.

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17

Ceccolin, Sofia <1997&gt. "THE IMPACT OF DIGITALIZATION IN THE TRANSITION TOWARDS AN INTEGRATED SUPPLY CHAIN A Supply Chain Event Management Case Study." Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/20375.

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During the last few decades, the change in the world’s economic environment has led to a transformation of supply chain activities and logistics operations. The growing globalization, the increase of destructive events (such as the current global health crisis), and the drive towards digital innovation dictated by the Fourth Industrial Revolution require companies to make an organizational change regarding both internal and external activities. We are witnessing a radical transition from competition between individual companies to competition between industrial supply chains. There is a shift

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18

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.

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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 zunäch

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19

Ahmadi, Mansour. "The application of system dynamics and discrete event simulation in supply chain management of Swedish manufacturing industries." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-16150.

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Increasing competition from traditional and emerging channels has placed new emphasis on rapid innovation and continuous differentiation in every aspect of supply chain, from earliest production stage to the final distribution steps. To bridge the gap between brilliant ideas and successful business initiatives, leading companies implement engineering simulation particularly in logistics and supply chain management (LSCM). Discrete event simulation (DES) and system dynamics (SD) are two modeling approaches widely used in this field. However there are not much done researches about the applicati

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20

Regali, Christopher Ralph [Verfasser], and Horst [Akademischer Betreuer] Fischer. "Exclusive event generation for the COMPASS-II experiment at CERN and improvements for the Monte-Carlo chain." Freiburg : Universität, 2016. http://d-nb.info/1122831862/34.

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21

Batista, Janaina Siegler Marques. "Supply chain turbulence: the impact of a mid-range event in multi-tier, multi-dimension supply chains." reponame:Repositório Institucional do FGV, 2015. http://hdl.handle.net/10438/13937.

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Nota: A autora agradece à Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) pela concessão de bolsa de estudos para o desenvolvimento deste projeto de pesquisa.<br>Submitted by Janaina Siegler (janaina.siegler@gmail.com) on 2015-08-18T00:46:34Z No. of bitstreams: 1 Jana Tese 10 ficha catalog.pdf: 5941307 bytes, checksum: 72743b682d62fd8c625ec73724627d90 (MD5)<br>Rejected by Pamela Beltran Tonsa (pamela.tonsa@fgv.br), reason: Bom dia Janaína, Deverá fazer alguns ajustes. Getulio não tem acento agudo. ( verificar ) Na contra-capa apenas o seu titulo pode ser em inglês os demai

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22

Timóteo, Júlio Esteves Dantas. "Supply chain management na indústria de festivais de música : o caso "Paredes de Coura"." Master's thesis, Instituto Superior de Economia e Gestão, 2018. http://hdl.handle.net/10400.5/17502.

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Mestrado em Marketing<br>A indústria dos festivais de música tem crescido exponencialmente em Portugal. Considerando o sucesso deste tipo de eventos e o elevado número de relacionamentos empresariais que exigem, torna-se importante entender de que forma práticas aplicadas de gestão poderão explicar esse fenómeno. Assim, o objetivo desta dissertação passa por entender de que forma funcionam esses relacionamentos na organização de um evento de larga escala nesta indústria, para compreender se existe filosofia de cadeia de aprovisionamento, até que ponto é implementada e se é feito voluntária ou

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23

Guyon, Tristan. "Non-reversible Markov-chain Monte Carlo algorithms : beyond translational flows and applications to the simulation of dimer systems." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://www.theses.fr/2024UCFA0089.

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Les algorithmes Event-chain Monte Carlo sont une classe de méthodes Monte Carlo par chaînes de Markov non réversibles, qui brisent la symétrie par renversement du temps au cœur du cadre réversible et versatile de l'algorithme de Metropolis-Hastings. Dans les systèmes de particules, les méthodes Event-chain reviennent à bouger une particule à la fois selon un certain flot déterministe, jusqu'à un événement donné par un processus de Poisson inhomogène, où la particule active est changée. Ces méthodes peuvent être caractérisée comme des Processus de Markov Déterministes par Morceaux, et si le flo

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24

Tipi, Nicoleta-Steluta. "Evaluation of on-line scheduling and heuristic control for production and supply chain systems using discrete event simulation." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340133.

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25

Yegul, Mert. "Simulation Analysis Of The Blood Supply Chain And A Case Study." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12608870/index.pdf.

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Efficient management of blood throughout the countries is of great economic importance, in addition to its major impact on the success of medical operations. This study is concerned with the analysis of policies for managing a unique blood supply chain network, which is defined in the new Blood and Blood Products Law of the Republic of Turkey. The main objective of the study is to obtain a better understanding of the system, and to find improved policies to be able to manage it efficiently. A discrete event simulation model is developed to analyze the blood supply chain of a pilot region in Tu

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26

Sadeghi, Azadeh. "Global Supply Chain Inventory Management and Production Planning Strategies." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1509528764663001.

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27

Venkateswaran, Jayendran. "PRODUCTION AND DISTRIBUTION PLANNING FOR DYNAMIC SUPPLY CHAINS USING MULTI-RESOLUTION HYBRID MODELS." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1185%5F1%5Fm.pdf&type=application/pdf.

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28

Smith, Christopher Rand. "The Programmatic Generation of Discrete-Event Simulation Models from Production Tracking Data." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5829.

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Discrete-event simulation can be a useful tool in analyzing complex system dynamics in various industries. However, it is difficult for entry-level users of discrete-event simulation software to both collect the appropriate data to create a model and to actually generate the base-case simulation model. These difficulties decrease the usefulness of simulation software and limit its application in areas in which it could be potentially useful. This research proposes and evaluates a data collection and analysis methodology that would allow for the programmatic generation of simulation models usin

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29

Sherwell, Cabello Pablo. "Three essays concerning economic analysis associated with the supply chain." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1715.

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30

Han, Taehee. "The Radio Frequency Identification enabled logistics process for supply chain event management from China to the United States via Hong Kong." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33318.

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Thesis (M. Eng. in Logistics)--Massachusetts Institute of Technology, Engineering Systems Division, 2005.<br>Includes bibliographical references (leaves 65-66).<br>This thesis reviews the current logistics processes and issues for container shipments in the supply chain. In particular, the problems associated with container shipments from China to the US, via the Hong Kong Port, includes low end-to-end visibility, security concerns, low product- handling productivity, and unmanageable unexpected events. Research was conducted using results from both interviews and surveys to collect informatio

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31

Xu, Liou. "A MARKOV TRANSITION MODEL TO DEMENTIA WITH DEATH AS A COMPETING EVENT." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/42.

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The research on multi-state Markov transition model is motivated by the nature of the longitudinal data from the Nun Study (Snowdon, 1997), and similar information on the BRAiNS cohort (Salazar, 2004). Our goal is to develop a flexible methodology for handling the categorical longitudinal responses and competing risks time-to-event that characterizes the features of the data for research on dementia. To do so, we treat the survival from death as a continuous variable rather than defining death as a competing absorbing state to dementia. We assume that within each subject the survival component

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32

Tröger, Ralph [Verfasser], Rainer [Akademischer Betreuer] Alt, Rainer [Gutachter] Alt, and Wolfgang [Gutachter] Stölzle. "Supply Chain Event Management – Bedarf, Systemarchitektur und Nutzen aus Perspektive fokaler Unternehmen der Modeindustrie / Ralph Tröger ; Gutachter: Rainer Alt, Wolfgang Stölzle ; Betreuer: Rainer Alt." Leipzig : Universitätsbibliothek Leipzig, 2014. http://d-nb.info/1239421575/34.

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33

Tröger, Ralph, and Rainer Alt. "Design Options for Supply Chain Visibility Services – Learnings from Three EPCIS Implementations." Springer, 2017. https://ul.qucosa.de/id/qucosa%3A32385.

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Supply chains in many industries are experiencing an ever-growing complexity. They involve many actors and, similar to intra-organizational processes, visibility is an important enabler for managing supply chains in an inter-organizational setting. It is the backbone of advanced sup-ply chain (event) management solutions, which serve to detect critical incidents in time and to determine alternative actions. Due to the numerous parties involved, distributed supply chains call for a modular system architecture that aims at re-using visibility data from standardized sources. Following the wide va

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34

Nickel, Thomas, and Jan Schliebener. "Assessing supply chain resilience within the automotive industry in the event of a pandemic : A multiple case study of the COVID-19 disruption in the Scandinavian and German automotive industry." Thesis, Jönköping University, IHH, Företagsekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-53154.

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Background: The automotive industry experiences significant challenges such as electric mobility, autonomous cars, smart factories, and ridesharing. Above that, the COVID-19 pandemic did not only affect the global health care system but also caused a disruption that challenged the automotive manufacturing sector and its supply chains. Purpose: The automotive industry was investigated to assess the supply chain resilience during the COVID-19 disruption. Therefore, the supply chain performance along the disruption stages was determined. Also, the usage and value of supply chain resilience measur

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35

Janius, Camilla, and Sahel Mir. "Using discrete event simulation : Improving efficiency and eliminating nonvalue added work." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35065.

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Process improvement is one of the challenging tasks within manufacturing companies. This study has been focused on analysing a packaging station by using a discrete event simulation tool. Packaging is an important part of the production and logistics process, but it is seldom considered when analysing non-value added activities. Discrete event simulation has been used in the analysis of non-value added activities in production systems, but noted by the low number of articles related to the usage of discrete event simulation within packaging, there exists a limited understanding of discrete eve

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36

Bolatli, Yurtseven. "Utility Analysis And Computer Simulation Of Rfid Technologies In The Supply Chain Applications Of Production Systems." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611261/index.pdf.

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In this thesis, the feasibility of deploying RFID technologies in the case of &ldquo<br>lowvolume high-value&rdquo<br>products is considered by focusing on the production processes of a real company. First, the processes of the company are examined and associated problems are determined. Accordingly, a simulation of the current situation is constructed by using the discrete event simulation technique, in order to obtain an accurate model. In addition to modeling the current situation, this simulation model provides a flexible platform to analyze different scenarios and their effects on the com

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37

Aslan, Ercan. "A Cots-software Requirements Elicitation Method From Business Process Models." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/260208/index.pdf.

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In this thesis, COTS-software requirements elicitation, which is an input for RFP in software intensive automation system&rsquo<br>s acquisition, is examined. Business Process Models are used for COTS-software requirements elicitation. A new method, namely CREB, is developed to meet the requirements of COTS-software. A software intensive system acquisition of a military organization is used to validate the method.

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38

Gow, Rachel. "An investigation into long-chain polyunsaturated essential fatty acids, event related potential assessments of brain function and behavioural measures in children and adolescents with and without attention deficit hyperactivity disorder." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/an-investigation-into-longchain-polyunsaturated-essential-fatty-acids-event-related-potential-assessments-of-brain-function-and-behavioural-measures-in-children-and-adolescents-with-and-without-attention-deficit-hyperactivity-disorder(48284ca7-2c07-48a3-b025-0b5911ddaeb1).html.

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This PhD research project investigated differences in long-chain polyunsaturated fatty acids (LC-PUFA) between male adolescents with and without ADHD, and the relationship between these and performance and event related potential (ERP) assessments of brain function and clinical behavioural measures. ERPs were also investigated in a randomised, double-blind, placebo-controlled clinical trial of 12 weeks PUFA supplementation in ADHD. Comparison of LC-PUFA measures between two groups of ADHD showed no differences in the first group, but in the second group, omega-3/6 indices were lower in ADHD co

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39

Wei, Shaoceng. "MULTI-STATE MODELS FOR INTERVAL CENSORED DATA WITH COMPETING RISK." UKnowledge, 2015. http://uknowledge.uky.edu/statistics_etds/10.

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Multi-state models are often used to evaluate the effect of death as a competing event to the development of dementia in a longitudinal study of the cognitive status of elderly subjects. In this dissertation, both multi-state Markov model and semi-Markov model are used to characterize the flow of subjects from intact cognition to dementia with mild cognitive impairment and global impairment as intervening transient, cognitive states and death as a competing risk. Firstly, a multi-state Markov model with three transient states: intact cognition, mild cognitive impairment (M.C.I.) and global imp

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40

Mosunich, Marissa Anne. "A Simulation Model for Decision Support in Business Continuity Planning." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1610.

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Enterprises with a global supply network are at risk of lost revenue as a result of disruptive disasters at supplier locations. Various strategies exist for addressing this risk, and a variety of types of research has been done regarding the identification, assessment and response to the risk of disruption in a supply chain network. This thesis establishes a decision model to support Business Continuity Planning at the first-tier supplier level. The decision model incorporates discrete-event simulation of supply chain networks (through Simio software), Monte Carlo simulation, and risk index op

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41

Novotný, Tomáš. "Analýza a návrh workflow vybraných procesů podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2010. http://www.nusl.cz/ntk/nusl-222606.

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The master’s thesis is concerning the field of process management and workflow in company 2Tom s.r.o. Theoretical part of the thesis presents actual trends of management and methods of increasing process effectiveness, the thesis analyses actual state of the company and presents proposals for implementation and usage of workflow oriented on the key processes of the company.

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42

Gibelati, Elizângela de Jesus. "Aplicação da simulação a eventos discretos no apoio à definição do estoque de segurança em operações de serviços com demanda estocástica." Universidade Nove de Julho, 2015. http://bibliotecatede.uninove.br/handle/tede/1618.

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Submitted by Nadir Basilio (nadirsb@uninove.br) on 2017-04-27T18:29:45Z No. of bitstreams: 1 Elizangela de Jesus Gibelati.pdf: 1199243 bytes, checksum: 831f7c88b077b3f5860a082343d6d0e5 (MD5)<br>Made available in DSpace on 2017-04-27T18:29:45Z (GMT). No. of bitstreams: 1 Elizangela de Jesus Gibelati.pdf: 1199243 bytes, checksum: 831f7c88b077b3f5860a082343d6d0e5 (MD5) Previous issue date: 2015-08-31<br>The discrete event simulation is one of the most used techniques in operational research area. It is a support decision technique, in which the search for problem solving is done by analyzing a

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Manno, Gabriele Antonino. "Reliability modelling of complez systems: an adaptive transition system approach to match accuracy and efficiency." Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1039.

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In questa tesi è introdotto un linguaggio di modellizzazione per la valutazione di misure di affidabilità di sistemi complessi. Adaptive Transition Systems (ATS) è un linguaggio di modellizzazione basato su macchine di stato interdipendenti dotate di variabili che sono inputs e outputs di un set di funzoni di comunicazione che permettono l'adattamento delle prprietà legate alle transizioni delle macchine di stato rispetto all'evoluzione del sistema. Le funzioni di comunicazione sono il mezzo per modellizzare le dipendenze tra le parti del sistema. Gli algoritmi per la risoluzione simulativa e

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Kano, Célia Hanako. "Modelagem e análise das cadeias de suprimentos globais e resilientes baseadas em rede de Petri." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3152/tde-16062016-144200/.

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Em um cenário de aumento de competitividade, crescente expectativa por inovações do produto e necessidade de atender diferentes perfis de consumidores, o conceito de gerenciamento de cadeias de suprimentos globais (GSCM) surge como uma estratégia para coordenar mais eficazmente as atividades dispersas geograficamente dos sistemas produtivos. Na adoção do GSCM, as organizações devem lidar com rupturas que impactam no gerenciamento das suas atividades, tais como a interrupção de vias de transporte, pane no fornecimento de energia, desastres naturais e até ataques terroristas. Nesse contexto, o t

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CARLI, FEDERICO. "Stratified Staged Trees: Modelling, Software and Applications." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1057653.

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The thesis is focused on Probabilistic Graphical Models (PGMs), which are a rich framework for encoding probability distributions over complex domains. In particular, joint multivariate distributions over large numbers of random variables that interact with each other can be investigated through PGMs and conditional independence statements can be succinctly represented with graphical representations. These representations sit at the intersection of statistics and computer science, relying on concepts mainly from probability theory, graph algorithms and machine learning. They are applied in a w

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Brunát, Tomáš. "Optimalizace podnikového procesu a návrh implementace ve společnosti APS HOLDING SE." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-201682.

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The thesis is mainly driven by the modelling of business processes focusing on process optimization namely processes related to Investment Banking. The main goal of the thesis is driven by the EPC process modelling for optimization the key Investment process in a particular company APS HOLDING SE. The theoretical part contains processes descriptions optimizations and process modelling standards. The practical part is devoted to design and optimize of the process related to Debt Assets Investment Banking under the EPC modelling standards. Each part of the Investment process is described below t

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Sarac, Aysegul. "Modélisation et aide à la décision pour l'introduction des technologies RFID dans les chaînes logistiques." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2010. http://tel.archives-ouvertes.fr/tel-00541012.

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Les technologies RFID présentent des avantages non négligeables en comparaison aux technologies d'identification actuelles. Cependant, l'intégration de ces technologies dans les chaînes logistiques implique souvent des coûts élevés. Ainsi, les entreprises doivent conduire des analyses poussées pour évaluer l'impact des RFID sur le fonctionnement et l'économie des chaînes logistiques et décider de l'intégration ou non de ces technologies.Dans cette thèse nous nous concentrons sur la modélisation et l'analyse de l'introduction des technologies RFID dans les chaînes logistiques. Nous présentons d

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Ursino, Giovanni. "Essays in theory of the firm and indivisual decision making experiments." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7404.

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Esta tesis se compone de dos partes separadas y sin relación entre ellas. El primer capítulo, coautorado con el Profesor Greg Barron, es un experimento en toma de decisiones individuales. Este capítulo se construye a partir de una literatura creciente, que enfatiza el siguiente punto: cuando aprendemos las probabilidades y los resultados de una lotería a través de la experiencia en vez de la descripción visual del problema -un prospecto- entonces tomamos decisiones como si estuviéramos devaluando eventos poco probables. Esto contrasta con el fenómeno bien conocido de que las probabilidades peq

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Miclo, Romain. "Challenging the "Demand Driven MRP" Promises : a Discrete Event Simulation Approach." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2016. http://www.theses.fr/2016EMAC0016/document.

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Les principaux enjeux des supply chain d’aujourd’hui concernent l’adaptation à des environnements instables. Demand Driven Material Requirements Planning (DDMRP) est une méthode récente et prometteuse de gestion des flux qui a été conçue pour faire face aux problématiques actuelles. Le travail de recherche réalisé détaille et positionne DDMRP par rapport aux autres méthodes connues de pilotage de flux. Le but de ce travail est de challenger les principales promesses de DDMRP. Pour cela, un plan d’expériences a été réalisé sur un cas d’étude pour évaluer le comportement de MRP

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Couto, Carla Renata. "Viroses respitarórias após vacinação contra influenza em profissionais de saúde (Projeto Tira-teima)." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5134/tde-27052010-161855/.

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INTRODUÇÃO: A adesão à vacinação contra influenza é historicamente baixa entre profissionais da área da saúde (PAS) (2 a 36%). A ocorrência de sintomas respiratórios após vacinação é freqüentemente interpretada como falha vacinal. No Hospital das Clínicas da FMUSP, um estudo preliminar mostrou que as principais razões para não adesão são a percepção da ineficácia da vacina e o medo de reações adversas. OBJETIVOS: Identificar a incidência de eventos adversos pós-vacinação e identificar os vírus respiratórios (VR) responsáveis por eventuais episódios de infecção de via aérea superior (IVAS) que

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