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Dissertations / Theses on the topic 'Event approach'

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1

Wang, Yan. "An integrative process mining approach to mine discrete event simulation model from event data." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0183/document.

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L'inférence d’un système, par la reconstruction de la structure à partir de l’analyse de son comportement, est reconnue comme un problème critique. Dans la théorie des systèmes, la structure et le comportement se situent aux extrémités de la hiérarchie qui définit la connaissance du système. L'inférence d’un système peut être également considérée comme l’escalade de la hiérarchie depuis la connaissance de bas niveau vers la connaissance de plus haut niveau. Ceci n'est possible que sous des conditions maitrisées et justifiées. Dans cette thèse, une nouvelle méthode d'inférence de système est pr
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2

Alderisio, Francesco. "Pinning Control of Networks: an Event-Triggered Approach." Thesis, KTH, Reglerteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-138436.

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In this master thesis we present an algorithm for distributed event-triggered pinning control of a network of nonlinear oscillators. In order to extend the concepts of connected, switching connected and slow switching topology to a pinning control scenario, we introduce the denitions of pinned, switching pinned and frequently pinned topology respectively. For each of these three topologies we try to identify the conditions under which the network achieves exponential convergence of the error norm, find a lower bound for the rate of convergence and prove that the trigger sequences do not exhibi
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3

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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4

Au, Grace. "A graphics driven approach to discrete event simulation." Thesis, London School of Economics and Political Science (University of London), 1990. http://etheses.lse.ac.uk/1226/.

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This thesis investigates the potential of computer graphics in providing for a graphics driven specification system that gives sufficient structure and content to form the simulation model itself. The nature of discrete event simulation modelling, the diagramming method of activity cycle diagrams which underpinned this research, the three phase simulation model structure, and the trend of visual simulation modelling are discussed as the basis for the research. Some current existing simulation languages and packages are reviewed, which gives insight into the essential features of an ideal compu
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5

Chao, Daphne (Yu Fen). "MDRIP: A Hybrid Approach to Parallelisation of Discrete Event Simulation." Thesis, University of Canterbury. Computer Science and Software Engineering, 2006. http://hdl.handle.net/10092/1076.

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The research project reported in this thesis considers Multiple Distributed Replications in Parallel (MDRIP), a hybrid approach to parallelisation of quantitative stochastic discrete-event simulation. Parallel Discrete-Event Simulation (PDES) generally covers distributed simulation or simulation with replicated trials. Distributed simulation requires model partitioning and synchronisation among submodels. Simulation with replicated trials can be executed on-line by applying Multiple Replications in Parallel (MRIP). MDRIP has been proposed for overcoming problems related to the large size of si
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6

Salfner, Felix. "Event-based failure prediction an extended hidden Markov model approach." Berlin dissertation.de, 2008. http://d-nb.info/990430626/04.

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7

McCarragher, Brenan Joseph. "A discrete event dynamic systems approach to robotic assembly tasks." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12887.

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8

Dghaym, Dana. "Extending the ERS approach for workflow modelling in Event-B." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/408104/.

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The Event Refinement Structures (ERS) approach augments the Event-B formal method with hierarchical diagrams, providing explicit support for control fow and refinement relationships. ERS was originally designed to decompose the atomicity of the events in Event-B and later enriched with control flow combinators. Combining graphical workflow approaches with formal methods has been a subject of interest in both industry and academia, resulting in a diversity of approaches. In this thesis, we present an approach for workflow modelling that addresses both control flow and data handling. ERS is used
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9

Saraf, Parang. "A Cost-Effective Semi-Automated Approach for Comprehensive Event Extraction." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/82926.

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Automated event extraction from free text remains an open problem, particularly when the goal is to identify all relevant events. Manual extraction is currently the only alternative for comprehensive and reliable extraction. Therefore, it is required to have a system that can comprehensively extract events reported in news articles (high recall) and is also scalable enough to handle a large number of articles. In this dissertation, we explore various methods to develop an event extraction system that can mitigate these challenges. We primarily investigate three major problems related to event
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10

LEE, TAI-CHUN. "AN EVENT-BASED APPROACH TO DEMAND-DRIVEN DYNAMIC RECONFIGURABLE COMPUTING." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin990821256.

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11

Wu, Tai-Chi. "Definition, analysis, and an approach for discrete-event simulation model interoperability." Diss., Mississippi State : Mississippi State University, 2005. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.

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12

Neidig, Jörg. "An automata theoretic approach to modular diagnosis of discrete-event systems /." Norderstedt : Books on Demand, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016571312&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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13

Chou, Y.-H. "Distributed Approach for Rescheduling Railway Traffic in the Event of Disturbance." Thesis, University of Birmingham, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.503061.

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14

Ayre, John. "Object-oriented development using the structured techniques : an entity-event approach." Thesis, University of Ulster, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261021.

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15

Claverol, Enric T. "An event-driven approach to biologically realistic simulation of neural aggregates." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324818.

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16

Zhang, Benjamin Jiahong. "A coupling approach to rare event simulation via dynamic importance sampling." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112384.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2017.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 106-109).<br>Rare event simulation involves using Monte Carlo methods to estimate probabilities of unlikely events and to understand the dynamics of a system conditioned on a rare event. An established class of algorithms based on large devia
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17

Rochat, Sylvie. "Emotion work in daily interactions at work an event-sampling approach /." [Neuchâtel] : [s.n.], 2004. http://aleph.unisg.ch/hsgscan/hm00122804.pdf.

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18

Salehi, Fathabadi Asieh. "An approach to atomicity decomposition in the Event-B formal method." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/340357/.

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Formal methods are mathematically based techniques and tools to model software and hardware systems. Event-B is a formal method that emerged over the last decade as an evolution of classical B. Event-B is supported by an open and extensible Eclipse-based tool-set, called Rodin. Rodin provides an integrated environment supporting the whole process of multi-stage modelling and handling of the associated proofs. Rodin extensibility is exploited by developing a number of plug-ins to extend the main platform capabilities. During recent years, Event-B and Rodin have been used to model some real-worl
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19

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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20

Picoco, Claudia. "Integrated Framework for Representing Recoveries Using the Dynamic Event Tree Approach." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155550242815033.

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21

Eu, Jinseung. "A causal approach to transitivity." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:5f3a0921-ef1f-47a4-9971-d6903d983df0.

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The present thesis presents a causal approach to transitivity and proposes a model of transitivity based on the view that a single event is a single ‘causal impact’, which consists of a single causation and a single effect. It defines semantic intransitivity as events where the effect is borne by and expressed through the actor and semantic transitivity as events where the effect is borne by and expressed through the patient. It finds evidence for this definition in the phenomenon of ‘selective specification’ of action or result by verbs with actor and patient. Furthermore, it proposes that th
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22

Arbi, Riaz. "A reproducible approach to equity backtesting." Master's thesis, Faculty of Science, 2019. http://hdl.handle.net/11427/31158.

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Research findings relating to anomalous equity returns should ideally be repeatable by others. Usually, only a small subset of the decisions made in a particular backtest workflow are released, which limits reproducability. Data collection and cleaning, parameter setting, algorithm development and report generation are often done with manual point-and-click tools which do not log user actions. This problem is compounded by the fact that the trial-and-error approach of researchers increases the probability of backtest overfitting. Borrowing practices from the reproducible research community, we
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23

Roginski, Jonathan W. "Emergency first response to a crisis event a multi-agent simulation approach." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Jun%5FRoginski.pdf.

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Thesis (M.S. in Operations Research)--Naval Postgraduate School, June 2006.<br>Thesis Advisor(s): Thomas W. Lucas. "June 2006." Includes bibliographical references (p.151-154). Also available in print.
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24

Bethard, Steven John. "Finding event, temporal and causal structure in text: A machine learning approach." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3284435.

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25

Batarseh, Ola. "AN INTERVAL BASED APPROACH TO MODEL INPUT UNCERTAINTY IN DISCRETE-EVENT SIMULATION." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2540.

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The objective of this research is to increase the robustness of discrete-event simulation (DES) when input uncertainties associated models and parameters are present. Input uncertainties in simulation have different sources, including lack of data, conflicting information and beliefs, lack of introspection, measurement errors, and lack of information about dependency. A reliable solution is obtained from a simulation mechanism that accounts for these uncertainty components in simulation. An interval-based simulation (IBS) mechanism based on imprecise probabilities is proposed, where the statis
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26

Özveren, Cüneyt M. "Analysis and control of discrete event dynamic systems : a state space approach." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14183.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.<br>GRSN 409176<br>Includes bibliographical references (leaves 263-267).<br>by Cüneyt Mehmet Özveren.<br>Ph.D.
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27

Song, Ziqian. "The Impact of Corporate Crisis on Stock Returns: An Event-driven Approach." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/99847.

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Corporate crisis events such as cyber attacks, executive scandals, facility accidents, fraud, and product recalls can damage customer trust and firm reputation severely, which may lead to tremendous loss in sales and firm equity value. My research aims to integrate information available on the market to assist firms in tackling crisis events, and to provide insight for better decision making. We first study the impact of crisis events on firm performance. We build a hybrid deep learning model that utilizes information from financial news, social media, and historical stock prices to predict f
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28

Yamamoto, Kyosuke. "A semantic approach to Ilocano Grammar." Kyoto University, 2019. http://hdl.handle.net/2433/242310.

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29

Jensen, Jonathan A. "The Path to Global Sport Sponsorship Success: An Event History Analysis Modeling Approach." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1426070279.

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30

Wasadikar, Amit. "DEVELOPING AN OBJECT-ORIENTED APPROACH FOR OPERATIONS SIMULATION IN SPEEDES." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2126.

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Using simulation techniques, performance of any proposed system can be tested for different scenarios with a generated model. However, it is difficult to rapidly create simulation models that will accurately represent the complexity of the system. In recent years, Object-Oriented Discrete-Event Simulation has emerged as the potential technology to implement rapid simulation schemes. A number of software based on programming languages like C++ and Java are available for carrying out Object Oriented Discrete-Event Simulation. These software packages establish a general framework for simulation i
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31

Smith, David A. "An integrated approach to evaluating the environmental impact following a radiological dispersal event." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1148312072.

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32

Sarjoughian, Hessam. "Inductive modeling of discrete event systems: A TMS-based non-monotonic reasoning approach." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187163.

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In this presentation, we propose a framework for inductive modeling of discrete-event systems called Discrete-event Inductive Reasoner, DIR. It is based on systems theory and non-monotonic logic. We present a new representation for a finite set of discrete-event observed input/output time segments called Iterative IOFO (Input/Output Function Observation) Specification. We also introduce a novel use of non-monotonic logic allowing DIR to make tentative decisions. With the inclusion of additional data, non-monotonic logic ensures that any of its prior decisions that becomes violated is retracted
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33

Jiang, Shengbing. "SUPERVISORY CONTROL AND FAILURE DIAGNOSIS OF DISCRETE EVENT SYSTEMS: A TEMPORAL LOGIC APPROACH." UKnowledge, 2002. http://uknowledge.uky.edu/gradschool_diss/338.

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Discrete event systems (DESs) are systems which involve quantities that take a discrete set of values, called states, and which evolve according to the occurrence of certain discrete qualitative changes, called events. Examples of DESs include many man-made systems such as computer and communication networks, robotics and manufacturing systems, computer programs, and automated trac systems. Supervisory control and failure diagnosis are two important problems in the study of DESs. This dissertation presents a temporal logic approach to the control and failure diagnosis of DESs. For the control
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Curram, Stephen Paul. "Representing intelligent decision making in discrete event simulation : a stochastic neural network approach." Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/59461/.

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The problem of representing decision making behaviour in discrete event simulation was investigated. Of particular interest was modelling variety in the decisions, where different people might make different decisions even where the same circumstances hold. An initial investigation of existing and alternative approaches for representing decision making was carried out. This led to the suggestion of using a neural network to represent the decision making behaviour in the form of a multi-criteria probability distribution based on data of observed decision making. The feasibility of the stochasti
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35

Helal, Magdy. "A hybrid system dynamics-discrete event simulation approach to simulating the manufacturing enterprise." Orlando, Fla. : University of Central Florida, 2008. http://purl.fcla.edu/fcla/etd/CFE0002264.

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36

Chatzitsakyris, Panagiotis. "The man with the movie camera : an event-driven approach to architectural design." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33034.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Architecture, 2005.<br>Includes bibliographical references (p. 40).<br>Architectural design can be viewed as the manipulation of physical material space in relation to human events that take place inside it. This thesis introduces the notion of event-driven architectural design, and implements an experimental digital tool that automatically constructs a cinematic representation of human characters and events in a synthetic space with little intervention of the designer of the space. Through the application of various filmmaking con
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37

Gaskin, James E. "Evolution and Variation of Digitally-enabled Design Routines: An extended event-sequencing approach." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1332172409.

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38

Conroy, Sara A. "A Novel Approach for Modeling Time to Event Data in Maternal Child Health." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574348181518311.

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39

Lin, Jing-Yue. "A temporal logic approach to the analysis and synthesis of discrete-event systems." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6635.

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The analysis and synthesis of discrete event systems (DESs) are addressed in this thesis by a temporal logic approach. This approach provides a temporal logic model and a temporal logic language for the modeling and specification, an algorithm for reachability analysis, and a procedure for the controller design and synthesis of DESs. To handle the probabilistic system where the point probability distributions are known, a temporal logic model is defined and a generalized temporal logic language is formulated to include the certainty operators for specifications and verification. An algorithm i
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40

Davoren, Mark. "A structural approach to the mapping problem in parallel discrete event logic simulations." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/14748.

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Vallejos, Catalina A. "Incorporating unobserved heterogeneity and multiple event types in survival models : a Bayesian approach." Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/63033/.

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This thesis covers theoretical and practical aspects of Bayesian inference and survival analysis, which is a powerful tool for the analysis of the time until a certain event of interest occurs. This dissertation focuses on non-standard models inspired by features of real datasets that are not accommodated by conventional models. Materials are divided in two parts. The first and more extended part relates to the development of flexible parametric lifetime distributions motivated by the presence of anomalous observations and other forms of unobserved heterogeneity. Chapter 2 presents the use of
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Troitiño, Malavasi Bruno Matias, and Llerena Alejandro Muñoz. "Hypothesis test of a new line balancing approach with dynamic allocation of assembly operations." Thesis, Högskolan i Skövde, Institutionen för teknik och samhälle, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-8533.

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Assembly lines are no longer systems designed to produce as much as possible at the lower cost. Nowadays several factors such as mass customization and variation in demand have led the manufacturers to consider the flexibility of the assembly systems as one of the most important facts to take into account when designing an assembly line. In this context, this study attempts to test a new paradigm of the workload balance, which is based on a dynamic allocation of the assembly operations. In order to test the hypothesis, a real assembly system of engines has been used as a base model to implemen
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Okutan, Cagla. "A Monolithic Approach To Automated Composition Of Semantic Web Services With The Event Calculus." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611082/index.pdf.

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In this thesis, a web service composition and execution framework is presented for semantically annotated web services. A monolithic approach to automated web service composition and execution problem is chosen, which provides some benefits by separating the composition and execution phases. An AI planning method using a logical formalism called Event Calculus is chosen for the composition phase. This formalism allows one to generate a narrative of actions and temporal orderings using abductive planning techniques given a goal. Functional properties of services, namely input/output/preconditio
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Allefeld, Carsten, and Jürgen Kurths. "An approach to multivariate phase synchronization analysis and its application to event-related potentials." Universität Potsdam, 2004. http://opus.kobv.de/ubp/volltexte/2008/2010/.

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A method for the multivariate analysis of statistical phase synchronization phenomena in empirical data is presented. A first statistical approach is complemented by a stochastic dynamic model, to result in a data analysis algorithm which can in a specific sense be shown to be a generic multivariate statistical phase synchronization analysis. The method is applied to EEG data from a psychological experiment, obtaining results which indicate the relevance of this method in the context of cognitive science as well as in other fields.
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Gummuluri, Sreedevi. "Drug Research and Development Incentives Under a Changing Exclusivity Environment: An Event Study approach." NCSU, 2007. http://www.lib.ncsu.edu/theses/available/etd-12152006-183255/.

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In this dissertation I explore the effect of marginal changes in the exclusivity environment, on returns of firms involved in the process of drug manufacturing and R&D. A model of copyright developed by Landes and Posner (2003) explaining the effect of varying levels of copyright protection on research incentives, is closely followed and adopted in a patent and regulatory context. Exclusivity here is taken to refer to the intellectual property environment and regulations of the Food and Drug Administration (FDA) pertaining to marketing exclusivity for approved drugs. Both these aspects determi
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46

Iliescu, Dan Cristian. "Customer based time-to-event models for cancellation behavior a revenue management integrated approach /." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26537.

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Thesis (Ph.D)--Civil and Environmental Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Dr. Laurie A. Garrow; Committee Member: Dr. John D. Leonard; Committee Member: Dr. Mark Ferguson; Committee Member: Dr. Michael D. Meyer; Committee Member: Dr. Patrick S. McCarthy. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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47

Danancher, Mickaël. "A discrete event approach for model-based location tracking of inhabitants in smart homes." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2013. http://tel.archives-ouvertes.fr/tel-00955543.

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Life expectancy has continuously increased in most countries over the last decades and will probably continue to increase in the future. This leads to new challenges relative to the autonomy and the independence of elderly. The development of Smart Homes is a direction to face these challenges and to enable people to live longer in a safe and comfortable environment. Making a home smart consists in placing sensors, actuators and a controller in the house in order to take into account the behavior of their inhabitants and to act on their environment to improve their safety, health and comfort.
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48

Unal, Haluk. "A switching regression approach to event studies : the case of deposit-rate ceiling changes." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1261421717.

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49

Prytz, Johanna. "Optional RHEMES and Omitted UNDERGOERS : An Event Structure Approach to Implicit Objects in Swedish." Doctoral thesis, Stockholms universitet, Institutionen för svenska och flerspråkighet, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-129062.

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The aim of this thesis is to define the essential syntactic-semantic properties of three types of objectless sentences in present-day Swedish. The three types of objectless sentences are labeled descriptively as follows: Implicit Object Read type (IOR) with pseudo-transitive verbs like läsa ‘read’; Implicit Object Open type (IOO), which involves various sets of transitive verbs like öppna ‘open’ and bära ‘carry’; and Implicit Object Kill type (IOK), which typically involves destruction verbs like döda ‘kill’. The study is framed within Ramchand’s (2008) syntactic model with a three-partite dec
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50

Adedoyin-Olowe, Mariam. "An association rule dynamics and classification approach to event detection and tracking in Twitter." Thesis, Robert Gordon University, 2015. http://hdl.handle.net/10059/1222.

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Twitter is a microblogging application used for sending and retrieving instant on-line messages of not more than 140 characters. There has been a surge in Twitter activities since its launch in 2006 as well as steady increase in event detection research on Twitter data (tweets) in recent years. With 284 million monthly active users Twitter has continued to grow both in size and activity. The network is rapidly changing the way global audience source for information and influence the process of journalism [Newman, 2009]. Twitter is now perceived as an information network in addition to being a
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