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Tesis sobre el tema "Uncertainty"

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Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

ONGARO, MALVINA. "Uncertainty for uncertain decision makers." Doctoral thesis, Università degli studi di Genova, 2022. https://hdl.handle.net/11567/1100017.

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First Chapter - While mainstream decision theory only allows for variations in the severity of uncertainty, the plurality of labels with which uncertainty has been referred to in the literature and the variety of doubts that decision makers can have seem to suggest that there are different types of uncertainty. Given the importance that uncertainty has in almost any decision, understanding this plurality can be helpful to decide effectively. I propose an account of uncertainty as based on a disagreement between reasons supporting alternative mental attitudes. Under this account, dealing with
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2

Abdullah, Johari. "Uncertainty and uncertainty tolerance in service provisioning." Thesis, University of Newcastle upon Tyne, 2014. http://hdl.handle.net/10443/2467.

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Service, in general term is a type of economic activity where the consumers utilize labour and/or expertise of others to perform a specific task. The birth and continued growth of the Internet provide a new medium for services to be delivered, and enable services to become widely and readily available. In recent years, the Internet has become an important platform to provide services to the end users. Service provisioning, In the context of computing, is the process of providing users with access to data and technology resources. In a perfect operating environment, the entities involved can exp
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3

Willquist, André. "Uncertainty Discretization for Motion Planning Under Uncertainty." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-170496.

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In this thesis, the problem of motion planning under uncertainty is explored. Motion planning under uncertainty is important since even with noise during the execution of the plan, it is desirable to keep the collision risk low. However, for the motion planning to be useful it needs to be possible to perform it in a reasonable time. The introduction of state uncertainty leads to a substantial increase in search time due to the additional dimensions it adds to the search space. In order to alleviate this problem, different approaches to pruning of the search space are explored. The initial appr
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4

Woolley, Richard. "Living uncertain lives : a study in the sociology of uncertainty /." View thesis, 2002. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030721.144500/index.html.

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Thesis (Ph.D.) -- University of Western Sydney, 2002.<br>"Dissertation submitted in fulfillment of the requirements for the award of the degree of Doctor of Philosophy, September 2002." Bibliography: p. 445 - 466.
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Vergaray, Alfonso Ruben. "Rethinking Uncertainty: Spinoza and Hume on Shaping Uncertain Secular Futures." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/70844.

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This dissertation extends contemporary views about uncertainty. It does so through a reading of the role of uncertainty in the political thought of two modern philosophers, Baruch Spinoza and David Hume. Despite uncertainty's notable and multi-disciplinary appeal in the academic literature, the frame in which most scholars think about social and political uncertainty is one-sided. On the whole, contemporary scholars consider uncertainty as a problem in need of a remedy. In the social sciences uncertainty is transformed into risk in order to empirically calculate risk probabilities. The hope
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6

MacAskill, William. "Normative uncertainty." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:8a8b60af-47cd-4abc-9d29-400136c89c0f.

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Very often, we are unsure about what we ought to do. Under what conditions should we help to improve the lives of distant strangers rather than those of our family members? At what point does an embryo or foetus become a person, with all the rights that that entails? Is it ever permissible to raise and kill non-human animals in order to use their meat for food? Sometimes, this uncertainty arises out of empirical uncertainty: we might not know to what extent non-human animals feel pain, or how much we are really able to improve the lives of distant strangers compared to our family members. But
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7

Boopathy, Komahan. "Uncertainty Quantification and Optimization Under Uncertainty Using Surrogate Models." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1398302731.

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8

Fiorito, Luca. "Nuclear data uncertainty propagation and uncertainty quantification in nuclear codes." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/238375.

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Uncertainties in nuclear model responses must be quantified to define safety limits, minimize costs and define operational conditions in design. Response uncertainties can also be used to provide a feedback on the quality and reliability of parameter evaluations, such as nuclear data. The uncertainties of the predictive model responses sprout from several sources, e.g. nuclear data, model approximations, numerical solvers, influence of random variables. It was proved that the largest quantifiable sources of uncertainty in nuclear models, such as neutronics and burnup calculations, are the nucl
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9

Simangunsong, Eliot Sation. "Supply chain uncertainty : linking sources of uncertainty and management practices." Thesis, Lancaster University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556682.

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Supply chain uncertainty is a key issue that affects firm competitiveness (1993; Yang et al., 2004); and, therefore, identifying the major sources of uncertainty within supply chains and developing strategies to manage them is an important challenge (Sabri & Beamon, 2000). There is an emerging literature on supply chain uncertainty but additional empirical research is required to further develop understanding of this phenomenon. This leads to an important research question to explore what sources of uncertainty can be identified in practice, what are the dimensions of these sources, and how ca
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10

Cheng, Haiyan. "Uncertainty Quantification and Uncertainty Reduction Techniques for Large-scale Simulations." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/28444.

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Modeling and simulations of large-scale systems are used extensively to not only better understand a natural phenomenon, but also to predict future events. Accurate model results are critical for design optimization and policy making. They can be used effectively to reduce the impact of a natural disaster or even prevent it from happening. In reality, model predictions are often affected by uncertainties in input data and model parameters, and by incomplete knowledge of the underlying physics. A deterministic simulation assumes one set of input conditions, and generates one result without cons
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11

Clausen, Mork Jonas. "Dealing with uncertainty." Doctoral thesis, KTH, Filosofi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-72680.

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Uncertainty is, it seems, more or less constantly present in our lives. Even so, grasping the concept philosophically is far from trivial. In this doctoral thesis, uncertainty and its conceptual companion information are studied. Axiomatic analyses are provided and numerical measures suggested. In addition to these basic conceptual analyses, the widespread practice of so-called safety factor use in societal regulation is analyzed along with the interplay between science and policy in European regulation of chemicals and construction.<br>QC 20120202
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12

Smith, James M. M. Arch Massachusetts Institute of Technology. "Architecture of uncertainty." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/34429.

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Thesis (M. Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 2006.<br>Includes bibliographical references (p. [118]-[121]).<br>Machines have been used throughout history as an extension of the human body; a prosthetic device that can provide the opportunity to redefine the spatial experience of a given time and place. In this investigation the Pinhole camera was used as a device for capturing photographic images of an urban place. The images produced by the pinhole cameras are representations of the existing place and its experience. The representation of a place generated
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13

West, Mark Carleton University Dissertation Architecture. "Architecture doubt uncertainty." Ottawa, 1996.

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14

Akten, Burcu Elif. "Generalized uncertainty relations /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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15

SANTAGIUSTINA, CARLO ROMANO, Massimo Warglien, and Michele Bernasconi. "Talking About Uncertainty." Doctoral thesis, Università Ca' Foscari di Venezia, 2018. http://hdl.handle.net/10278/3709814.

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In the first article we review existing theories of uncertainty. We devote particular attention to the relation between metacognition, uncertainty and probabilistic expectations. We also analyse the role of natural language and communication for the emergence and resolution of states of uncertainty. We hypothesize that agents feel uncertainty in relation to their levels of expected surprise, which depends on probabilistic expectations-gaps elicited during communication processes. Under this framework above tolerance levels of expected surprise can be considered informative signals. These signa
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16

Santagiustina, Carlo Romano Marcello Alessandro <1988&gt. "Talking about uncertainty." Doctoral thesis, Università Ca' Foscari Venezia, 2018. http://hdl.handle.net/10579/13445.

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This empirical research seeks to demonstrate that we can decentralize, crowd source and aggregate signals of uncertainty coming from market agents and organizations, by using the Internet -and more specifically Twitter- as an information archive from which we extract the wisdom of the crowds concerning the state of uncertainty of a specific target system, like a country or a particular uncertainty source, in a given moment in time. We extract and aggregate these signals, constructing a set of specialized uncertainty indexes, by topic and/or by geographic-area. We model the dependence among the
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17

Urganci, Ilksen. "Positional Uncertainty Analysis Using Data Uncertainy Engine A Case Study On Agricultural Land Parcels." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12611409/index.pdf.

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Most of spatial data extraction and updating procedures require digitization of geographical entities from satellite imagery. During digitization, errors are introduced by factors like instrument deficiencies or user errors. In this study positional uncertainty of geographical objects, digitized from high resolution Quickbird satellite imagery, is assessed using Data Uncertainty Engine (DUE). It is a software tool for assessing uncertainties in environmental data<br>and generating realisations of uncertain data for use in uncertainty propagation analyses. A case study area in Kocaeli, Turkey t
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18

Duan, Kaifeng. "Uncertainty Principle : a study of the uncertain relationship between people and object." Thesis, Konstfack, Industridesign, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-3791.

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When we observe or use something, its property seems to change because of the way we establish relationships with it. Inspired by the Uncertainty Principle – a physical theory published by Heisenberg in the year of 1927 – I take both people and objects as something always in an uncertain status. We cannot fully define objects, but only try to understand and live with it in a complex and constantly changing context.Three pieces of furniture are created to visualize the idea about how the relationships between people and objects could be from this viewpoint, exploring how far away people could a
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19

Schenk, Todd Edward William. "Institutionalizing uncertainty : exploring how infrastructure stakeholders can prepare for uncertain climate futures." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101372.

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Thesis: Ph. D. in Public Policy and Planning, Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 355-384).<br>Climate change poses a range of threats to our infrastructure systems. Efforts to respond are complicated by the uncertainty and complexity involved. The uncertainties are pervasive, going beyond scientific and technical issues to include significant governance challenges. This dissertation examines how stakeholders are likely to make project-level decisions in pra
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20

Lee, S. "Three essays on uncertainty : real and financial effects of uncertainty shocks." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1570354/.

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The thesis consists of three essays on real and financial effects of uncertainty shocks. The first chapter investigates two different news-based uncertainty indices, Economic Policy Uncertainty Index (EPU) and Relative Sentiment Shift Index (RSS). I employ reduced form VAR and local projections (Jordá, 2005) to explore the differences in wait-and-see effect of uncertainty on the real economy. Surprises in either index lead to significant declines in production and employment and the effect is larger and persistent in the case of RSS shocks than EPU. In the second chapter, the probabilistic ap
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21

Zimmermann, Jörg [Verfasser]. "Algebraic Uncertainty Theory : A Unifying Perspective on Reasoning under Uncertainty / Jörg Zimmermann." Bonn : Universitäts- und Landesbibliothek Bonn, 2013. http://d-nb.info/1044970340/34.

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22

Budzinski, Maik. "The differentiation between variability uncertainty and knowledge uncertainty in life cycle assessment." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135913.

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The following thesis deals with methods to increase the reliability of the results in life cycle assessment. The paper is divided into two parts. The first part points out the typologies and sources of uncertainty in LCA and summarises the existing methods dealing with it. The methods are critically discussed and pros and cons are contrasted. Within the second part a case study is carried out. This study calculates the carbon footprint of a cosmetic product of Li-iL GmbH. Thereby the whole life cycle of the powder bath Blaue Traube is analysed. To increase the reliability of the result a proce
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23

Chellaboina, Vijaya-Sekhar. "Robust stability and performance for linear and nonlinear uncertain systems with structured uncertainty." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12903.

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24

Ferenc, Veszteg Róbert. "Auctions, Mechanisms and Uncertainty." Doctoral thesis, Universitat Autònoma de Barcelona, 2004. http://hdl.handle.net/10803/4057.

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Los mecanismos que permiten la interacción de los individuos tienen un gran impacto sobre los resultados de esta interacción. La teoría económica de diseño de mecanismos estudia el diseño de procedimientos de decisión social en situaciones en la cuales los agentes económicos guardan información privada y se comportan, la utilizan, de forma estratégica.<br/>Como ejemplo, considérese el caso en el cual la autoridad central de un país está considerando la posibilidad de declarar como "reserva nacional" una determinada área geográfica. Para poder tomar la decisión óptima, por ejemplo la que maximi
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25

Soupre, Matthieu. "Essays on economic uncertainty." Doctoral thesis, Universitat Pompeu Fabra, 2018. http://hdl.handle.net/10803/664416.

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These essays propose different measures of economic uncertainty and evaluate its impact at the microeconomic and macroeconomic level. The first essay in Chapter 2 proposes a measure of macroeconomic uncertainty that allows to distinguish its vari-ous components. Metrics of Knightian uncertainty and risk are proposed, and their respective impact on a number of economic aggregates is evaluated. Chapter 3 extends the classical approach to measuring uncertainty – a mean squared error-based quantity –to entropy methods in econometrics. Several information-theoretic measures of uncertainty are motivat
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26

Zhu, Yuntao. "Semidefinite programming under uncertainty." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Dissertations/summer2006/y%5Fzhu%5F073106.pdf.

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27

Nartey, Mohammed Donkor, and Anyinka Nkongtenden Ndobegang. "SUPPLIER SELECTION UNDER UNCERTAINTY." Thesis, Jönköping University, Jönköping International Business School, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1189.

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<p>The role of purchasing in supply chain management has received and continues to receive increasing attention as the years go by. Purchasing enhances efficiency and competitiveness among other benefits but to realize these benefits it is imperative to select and maintain competent suppliers. However, many factors affect a firm’s ability to choose the right supplier. Uncertainty is an issue that has received great attention. It affects all functions of a company consequently affecting purchasing and supplier selection. This thesis seeks to provide an understanding of the supplier selection pr
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28

Dreborg, Karl Henrik. "Scenarios and structural uncertainty." Doctoral thesis, KTH, Infrastructure, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3697.

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29

Söderström, Ulf. "Monetary policy under uncertainty." Doctoral thesis, Handelshögskolan i Stockholm, Samhällsekonomi (S), 1999. http://urn.kb.se/resolve?urn=urn:nbn:se:hhs:diva-646.

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This thesis contains four chapters, each of which examines different aspects of the uncertainty facing monetary policymakers.''Monetary policy and market interest rates'' investigates how interest rates set on financial markets respond to policy actions taken by the monetary authorities. The reaction of market rates is shown to depend crucially on market participants' interpretation of the factors underlying the policy move. These theoretical predictions find support in an empirical analysis of the U.S. financial markets.''Predicting monetary policy using federal funds futures prices'' examine
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30

Frost, Robert E. III. "Uncertainty and Information Processing." TopSCHOLAR®, 2011. http://digitalcommons.wku.edu/theses/1120.

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The purpose of these two studies was to examine two factors that may influence the effects of uncertainty on information processing. The first factor is the positioning of uncertainty relative to a target of judgment, and how this affects people’s judgment processing. The second factor had to do with the degree to which uncertainty signals active goal conflict or not. In the first study, 145 participants with a mean age of 19.51 were induced with uncertainty either before or after information about the target accused of illegal behavior. The results demonstrated that uncertainty before informa
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31

Mathieu, Michael. "Unsupervised Learning under Uncertainty." Thesis, New York University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10261120.

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<p> Deep learning, in particular neural networks, achieved remarkable success in the recent years. However, most of it is based on supervised learning, and relies on ever larger datasets, and immense computing power. One step towards general artificial intelligence is to build a model of the world, with enough knowledge to acquire a kind of ``common sense''. Representations learned by such a model could be reused in a number of other tasks. It would reduce the requirement for labelled samples and possibly acquire a deeper understanding of the problem. The vast quantities of knowledge required
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32

Söderström, Ulf. "Monetary policy under uncertainty /." Stockholm : Economic Research Institute, Stockholm School of Economics (Ekonomiska forskningsinstitutet vid Handelshögsk.) (EFI), 1999. http://www.hhs.se/efi/summary/506.htm.

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33

Hudson, David. "Inflation, uncertainty and investment /." Title page, contents and introduction only, 1993. http://web4.library.adelaide.edu.au/theses/09EC/09ech885.pdf.

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34

Runde, Jochen. "Essays on Keynesian uncertainty." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239619.

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35

McCormick, Gregory. "Pump scheduling under uncertainty." Thesis, Brunel University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268976.

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36

White, Lucy. "Strategic behaviour under uncertainty." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322808.

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37

Yavuz, Devrim. "Uncertainty and financial fragility." Thesis, University of Exeter, 2010. http://hdl.handle.net/10036/3036.

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My thesis analyzes various types of uncertainties and their effects on financial fragility in the context of information asymmetries and bank-run models. When various generations of currency crisis are considered, it is observed that the financial system and fragilities associated with it plays a critical role in more recent crisis episodes. Therefore, focusing on the financial system can possibly lead to a better understanding of how and why these crises took place. The analysis presented here aims to provide some new insights about this topic. In the first chapter I tried to analyze how publ
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38

Philpott, Mark Stuart. "Convoy routing under uncertainty." Thesis, University of East Anglia, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405399.

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39

Jaaskela, Jarkko Petteri. "Monetary policy under uncertainty." Thesis, Birkbeck (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401857.

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Brus, T. "Multimodality, uncertainty and aggregation." Thesis, University of Warwick, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372199.

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41

Greco, Veronica. "Uncertainty, stress, and health." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341481.

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42

Dixon, Elsbeth Clare. "Representing uncertainty in models." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279578.

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43

Darnell, Catherine Arianne. "Children's understanding of uncertainty." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6562/.

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In seven experiments this thesis explored the processing responsible for children’s understanding of uncertainty. Through distinguishing between types of evidence and types of uncertainty a new framework was created in which to investigate the relationships between children’s varying metacognitive abilities. Experiments 1 to 3 focussed on 5-to-7-year-olds’ behavioural awareness of uncertainty, exploring the basis of children’s confidence judgements and their influence on strategic behaviour. Children demonstrated a dissociation between these two behaviours suggesting younger children’s metacog
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Yang, Juan. "Education choices under uncertainty." Thesis, University of York, 2007. http://etheses.whiterose.ac.uk/11014/.

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Cubukgil, Evren. "Uncertainty and firm investment." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:c3fb67f9-adf2-41ac-98b9-cb2878e2b2d6.

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This thesis explores effects of uncertainty on firm investment that are described in estimates of firm level investment specifications which include proxies for uncertainty over expected future firm profitability. A panel data set of UK firms covering the period 1987-2000 is used to estimate firm level investment specifications. Within year volatility in stock returns - a common proxy for firm specific uncertainty in previous literature - is compared with covariance measures between stock returns and market returns representing un-diversifiable risk from the CAPM; and with alternative uncertai
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46

Smietanka, Pawel. "Essays on macroeconomic uncertainty." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/34989/.

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Recent data shows that more than £440 billion in cash has been piling up in the accounts of UK companies. At the same time, the investment outlays and corporate payouts have reached a 60-year low. What makes firms hold such enormous cash stocks instead of spending them on investment or returning them to shareholders? To what extent has the rising degree of uncertainty about macroeconomic conditions affected companies’ decisions? In this thesis we try to address these questions and, controlling for cyclical changes and financial factors, quantify the extent to which macroeconomic uncertainty ha
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47

Горобченко, Денис Володимирович, Денис Владимирович Горобченко, and Denys Volodymyrovych Horobchenko. "Climate change uncertainty debates." Thesis, Видавництво СумДУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/12811.

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Anyone familiar with the climate change debate is familiar with the ―scientific uncertainty‖ argument, which usually goes something like this: The response to climate change must be based on sound science, not on speculation or theory. There is too much uncertainty and too much that we do not know about climate change. It would be irresponsible to undertake measures to reduce emissions, which could carry high economic costs, until we know that these are warranted. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/12811
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48

Shaer, Nicole. "The paradox of uncertainty." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/28321.

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This work represents my engagement with uncertainty, as I have defined and contained it. As an artist, my research strategy has been to work with uncertainty in a felt sense, using my hands as a way to access a different sort of thinking. To this end, I have allowed, created, sustained and magnified the presence of uncertainty in my studio, as a focused, experiential study within the practice of making art. Uncertainty might be understood in many ways, so I will begin with the common definition as that which is ‘not able to be relied on; not known or definite’ (OED, 2016). Psychology professor
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49

Du, Preez Johan. "Price formation under uncertainty." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/14975.

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Bibliography: leaves 170-173.<br>The analysis presented in this thesis is aimed at better understanding the role of expectations to the price formation process. Since general competitive analysis lacks a coherent explanation of how expectations are formulated it is difficult to promote theories that assume agents have no structural knowledge in favour of theories that assume agents have significant structural knowledge, e.g. rational expectations hypothesis versus the theory of rational beliefs. Accordingly, empirical evidence is presented to support analyses of models in which agents are not
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50

Jerow, Samuel B. "Fiscal Policy and Uncertainty." Miami University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1533112993662019.

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