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Dissertations / Theses on the topic 'Information and Times of Uncertainty'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Grannas, Lukas. "Real-time Uncertainty Estimation for Semantic Segmentation : Improving Uncertainty Estimates with Temperature Scaling and Predicted Dirichlet Distributions." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288954.

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This degree project examined different aspects of real-time uncertainty estimation for semantic segmentation deep learning networks in an autonomous driving setting. Two main tracks were taken. The first examined the possibility to make existing predictions more reliable by tuning the prediction confidence in a post-processing step after training using a method called temperature scaling (TS). Additionally, three TS variations were proposed; class-wise, binned class-wise and spatial TS. The second track explored possible ways for single networks to produce diverse predictions by interpreting n

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2

Khiripet, Noppadon. "An architecture for intelligent time series prediction with causal information." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/13896.

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3

Teegavarapu, Ramesh S. V. "Real-time operation of reservoir systems, information uncertainty, system representation and computational intractability." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/NQ53050.pdf.

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4

Gkioulou, Zafeira. "Evaluating the impact of waiting time uncertainty on passengers´decisions." Thesis, KTH, Systemanalys och ekonomi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-203123.

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Service reliability is one of the main factors influencing public transport level of service and, thus, passengers’ satisfaction. Public transport services are subject to various sources of uncertainty related to traffic conditions, public transport operations and passenger demand. Passengers are able to form their perception of trip attributes and service reliability through accumulating experiences of repetitive travel choices. Perceived service reliability can be improved either by increasing the ground-truth service reliability (e.g. introduce exclusive bus lanes, control strategies etc.)

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5

Arafat, Samer M. "Uncertainty modeling for classification and analysis of medical signals /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p3115520.

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6

Wilson, Jamal Omari. "Selection for Rapid Manufacturing under Epistemic Uncertainty." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10569.

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Rapid Prototyping (RP) is the process of building three-dimensional objects, in layers, using additive manufacturing. Rapid Manufacturing (RM) is the use of RP technologies to manufacture end-use, or finished, products. At small lot sizes, such as with customized products, traditional manufacturing technologies become infeasible due to the high costs of tooling and setup. RM offers the opportunity to produce these customized products economically. Coupled with the customization opportunities afforded by RM is a certain degree of uncertainty. This uncertainty is mainly attributed to the la

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7

GATTI, ELENA. "Graphical models for continuous time inference and decision making." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/19575.

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Reasoning about evolution of system in time is both an important and challenging task. We are interested in probability distributions over time of events where often observations are irregularly spaced over time. Probabilistic models have been widely used to accomplish this task but they have some limits. Indeed, Hidden Markov Models and Dynamic Bayesian Networks in general require the specification of a time granularity between consecutive observations. This requirement leads to computationally inefficient learning and inference procedures when the adopted time granularity is finer than the

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8

Rutgerson, Isabelle, Jessica Alm, and Hampus Liljhagen. "Förstagångsköpare av högengagemangsprodukter : Hur de söker information och utvärderar alternativ." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23994.

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The purpose of this study is to generate an understanding of first-time buyers of high involvement products, by examine how they search for information and evaluate alternatives. Three research questions were formulated to achieve the purpose of the study. Two of them concern first-time buyers’ behavior and the third one aims to answer if any possible explanations to their behavior could be identified. The study is based on theories within the research field of consumer behavior regarding purchase behavior, the consumer decision process, decision making style, involvement and knowledge along w

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9

Choudhury, Wasim Subhan, and Dion Collins. "Leadership in Times of Uncertainty." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik, konst och samhälle, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85763.

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The purpose of the study was to research leadership during uncertainty to identify managerial implications on organizational performance and enhance the limited body of academic literature available on the topic currently. The implications regarding leadership are not limited to the COVID-19 pandemic but instead widely applicable to leadership during uncertainty overall. The pandemic simply provided an example of uncertainty, which was the context. Additionally, as mining is a global industry with widespread follow-on effects on global economies - authors believe that the results from this res

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10

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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11

Eide, Jan. "Rethinking CCS - strategies for technology development in times of uncertainty." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81119.

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Thesis (S.M. in Technology and Policy)--Massachusetts Institute of Technology, Engineering Systems Division, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 115-119).<br>Concerns over climate change and a reliance on CO₂-emitting fossil fuels for a majority of the world's energy supply have motivated the development of carbon dioxide capture and storage (CCS). However, CCS is not yet commercially available, and key technical roadblocks remain. However, the external circumstances for developing the technology, such as weak climate policy and tight publi

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12

Hocker, Gero. "Market - hierarchy - networking coordination in times of globalization, fragmentation, and uncertainty." Frankfurt, M. Berlin Bern Bruxelles New York, NY Oxford Wien Lang, 2007. http://d-nb.info/99033824X/04.

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13

Attallah, May. "Strategies of Information Acquisition Under Uncertainty." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1G023/document.

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L’objectif de cette thèse est de présenter quatre essais en économie comportementale et expérimentale sur prise de décision dans le risque et l’ambiguïté. Le premier essai présente une synthèse et un point de vue sur la représentativité des résultats expérimentaux en matière de préférences : préférences sociales et préférences concernant le risque et le temps dans les pays développés ainsi que dans les pays en voie de développement. Le deuxième essai explore expérimentalement l’effet du risque et de l’ambiguïté sur le comportement de recherche d’emploi en horizon infini. Les résultats montrent

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14

Dalvi, Nilesh. "Managing uncertainty using probabilistic databases /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/6920.

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15

Govender, Desigan Brentin. "In times of uncertainty, using self-awareness and strategic foresight to buold trust." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/59833.

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The conventional method of gathering followers' perceptions of a leader is through a 360 degree survey. In times of uncertainty and with the rapid pace of change affecting businesses today, a leader does not have access to a 360 degree survey tool that would indicate whether their followers' perceive them to be trustworthy. Followers are not only employees, but partners or stakeholders. Surely, another method must exist in gathering real time information that would inform a leader of whether they are being perceived as trustworthy. This qualitative research study used a semi-structured intervi

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16

Riefelyna, Siska. "Structural uncertainty identification using mode shape information." Thesis, University of Sussex, 2012. http://sro.sussex.ac.uk/id/eprint/43334/.

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This thesis is concerned with efficient uncertainty identification (UI) – namely the nonlinear inverse problem of establishing specific statistical properties of an uncertain structure from a practically-limited supply of low-frequency dynamic response information. An established UI approach (published in 2005) which uses Maximum Likelihood Estimation (MLE) and the Perturbation Method of uncertainty propagation is adopted for the study using (for the first time) mode shape information rather than just natural or resonant frequencies. The thesis develops a method based on the use of selected co

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17

Bush, Lawrence A. M. "Decision uncertainty minimization and autonomous information gathering." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85758.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 272-283).<br>Over the past several decades, technologies for remote sensing and exploration have become increasingly powerful but continue to face limitations in the areas of information gathering and analysis. These limitations affect technologies that use autonomous agents, which are devices that can make routine decisions independent of operator instructions. Bandwidth and other communications limitati

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18

Mishra, Jyoti Laxmi. "Information use by multi-agency teams in time constrained, uncertain and complex environments." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.574512.

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This research investigates information practices issues in a time constrained, uncertain and complex environment with a focus on emergency management. During a major incident, commanders from the multi-agency emergency services such as from the police, fire and rescue, and ambulance need to come together to manage the incident. Depending on the nature of the incident, commanders involved in emergency management vary; hence they meet on an ad-hoc basis. The literature states that information should be shared among members of a team for coordination. It is thus necessary to understand issues und

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19

Gong, Jian, and 龔劍. "Managing uncertainty in schema matchings." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46076116.

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20

Andersson, Lars. "Multi-robot Information Fusion : Considering spatial uncertainty models." Doctoral thesis, Linköpings universitet, Fluid och mekanisk systemteknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15327.

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The work presented in this thesis covers the topic of deployment for mobile robot teams. By connecting robots in teams they can perform a better job than each individual is capable of. It also gives redundancy, increases robustness, provides scalability, and increases efficiency. Multi-robot Information Fusion also results in a broader perspective for decision making. This thesis focuses on methods for estimating formation and trajectories and how these can be used for deployment of a robot team. The problems covered discuss what impact trajectories and formation have on the total uncertainty

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21

Wibowo, Santoso, and s3037939@student rmit edu au. "Approaches to Selecting Information Systems Projects under Uncertainty." RMIT University. Business Information Technology, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080822.142200.

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The rapid advance in information and communication technologies has effectively facilitated the development and implementation of information systems (IS) projects in modern organizations for reorganizing their business processes and streamlining the provision of their products and services in today's dynamic environment. Such a development brings organizations with numerous benefits including increased automation of business processes, improved customer service, and timely provision of effective decision support. As a result, evaluating and selecting the most appropriate IS project for develo

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22

Aleem, I. "Information, uncertainty and rural credit markets in Pakistan." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.482927.

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23

Hunt, Stephen E. "Uncertainty Quantification Using Epi-Splines and Soft Information." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/7361.

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Approved for public release; distribution is unlimited<br>This thesis deals with the problem of measuring system performance in the presence of uncertainty. The system under consideration may be as simple as an Army vehicle subjected to a kinetic attack or as complex as the human cognitive process. Information about the system performance is found in the observed data points, which we call hard information, and may be collected from physical sensors, field test data, and computer simulations. Soft information is available from human sources such as subject-matter experts and analysts, and rep

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24

Dell'Ariccia, Giovanni. "Asymmetric information, exchange rate uncertainty and banking competition." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10317.

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25

Zavodov, Kirill Valerievich. "Essays on investment under uncertainty and asymmetric information." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608149.

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26

Rahchamani, Mahtab. "Information Asymmetry/ Uncertainty and M&A Performance." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42678.

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This study contributes to the mergers and acquisitions as well as the informational transparency literature – by examining the relationship between a firm’s analysts' forecast error/ informational uncertainty and M&A outcomes. Contrary to our conventional wisdom, we find that an acquiring firm with more forecast errors and informational uncertainty (firm risk, as expressed by stock return variation) tends to have more favorable abnormal market reactions. Whereas a target firm with more forecast errors and informational uncertainty tends to have less favorable abnormal market reactions. As the

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27

Andersson, Lars A. A. "Multi-robot information fusion : considering spatial uncertainty models /." Linköping : Department of Management and Engineering, Linköping University, 2008. http://www.bibl.liu.se/liupubl/disp/disp2008/tek1209s.pdf.

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28

Palmer, David Donald. "Modeling uncertainty for information extraction from speech data /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/5834.

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29

Herzallah, Randa. "Exploiting uncertainty in nonlinear stochastic control problem." Thesis, Aston University, 2003. http://publications.aston.ac.uk/13267/.

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This work introduces a novel inversion-based neurocontroller for solving control problems involving uncertain nonlinear systems which could also compensate for multi-valued systems. The approach uses recent developments in neural networks, especially in the context of modelling statistical distributions, which are applied to forward and inverse plant models. Provided that certain conditions are met, an estimate of the intrinsic uncertainty for the outputs of neural networks can be obtained using the statistical properties of networks. More generally, multicomponent distributions can be modelle

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30

Myatt, Helen. "Moving with the times? : clinical psychologists' views of cultural diversity : reflections on fear and uncertainty." Thesis, University of Warwick, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397099.

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31

Gertsenzon, Fromm Galit. "Musical Expressions in Times of Uncertainty: A Study of Gideon Klein's Songs Opus 1 (1940)." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337716177.

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32

Foix, Salmerón Sergi. "Task-oriented viewpoint planning for free-form objects." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/396623.

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This thesis deals with active sensing and its use in real exploration tasks under both scene ambiguities and measurement uncertainties. While object modeling is the implicit objective of most of active sensing algorithms, in this work we have explored new strategies to deal with more generic and more complex tasks. Active sensing requires the ability of moving the perceptual system to gather new information. Our approach uses a robot manipulator with a 3D Time-of-Flight (ToF) camera attached to the end-effector. For a complex task, we have focused our attention on plant phenotyping. Plants

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33

Zhang, Yanyang. "Second-order effects on uncertainty analysis calculations." Master's thesis, Mississippi State : Mississippi State University, 2002. http://library.msstate.edu/etd/show.asp?etd=etd-10292002-122359.

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34

Hope, Susannah Jayne. "Decision making under spatial uncertainty /." Connect to thesis, 2005. http://repository.unimelb.edu.au/10187/1150.

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Errors are inherent to all spatial datasets and give rise to a level of uncertainty in the final product of a geographic information system (GIS). There is growing recognition that the uncertainty associated with spatial information should be represented to users in a comprehensive and unambiguous way. However, the effects on decision-making of such representations have not been thoroughly investigated. Studies from the psychological literature indicate decision-making biases when information is uncertain. This study explores the effects of representing spatial uncertainty, through an examinat

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35

Windholz, Thomas. "Strategies for Handling Spatial Uncertainty due to Discretization." Fogler Library, University of Maine, 2001. http://www.library.umaine.edu/theses/pdf/Windholz.pdf.

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36

De, Aguinaga José Guillermo. "Uncertainty Assessment of Hydrogeological Models Based on Information Theory." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-71814.

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There is a great deal of uncertainty in hydrogeological modeling. Overparametrized models increase uncertainty since the information of the observations is distributed through all of the parameters. The present study proposes a new option to reduce this uncertainty. A way to achieve this goal is to select a model which provides good performance with as few calibrated parameters as possible (parsimonious model) and to calibrate it using many sources of information. Akaike’s Information Criterion (AIC), proposed by Hirotugu Akaike in 1973, is a statistic-probabilistic criterion based on the Info

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37

Cheong, Tae Su. "Value of information and supply uncertainty in supply chains." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42725.

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This dissertation focuses on topics related to the value of real-time information and/or to supply uncertainties due to uncertain lead-times and yields in supply chains. The first two of these topics address issues associated with freight transportation, while the remaining two topics are concerned with inventory replenishment. We first assess the value of dynamic tour determination for the traveling salesman problem (TSP). Given a network with traffic dynamics that can be modeled as a Markov chain, we present a policy determination procedure that optimally builds a tour dynamically. We then e

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38

Cao, Yiwei [Verfasser]. "Uncertainty handling in mobile community information systems / Yiwei Cao." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1022617257/34.

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39

Sandmeier-Marquardt, Bridget. "Patients' self-concept, desire for information and uncertainty reduction." Scholarly Commons, 2000. https://scholarlycommons.pacific.edu/uop_etds/542.

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This is a post-test only experimental design using an uncertainty reduction video to alleviate patient uncertainty, desire for information and increase self-concept to improve overall patient satisfaction with health care experience. The subjects were 80 cardiac consultation patients in a cardiology clinic in Northern California. Forty people were randomly assigned to a control group and forty people to the experimental group. A scale was given to each group which measured the patients' level of self-concept, level of uncertainties (medical setting, relational and illness), and desire for info

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40

Al-Shyoukh, Ibrahim Ali Odeh. "Online-information-based learning and decision making under uncertainty." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1428863411&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Nason, Emily Mung-lam. "Uncertainty and fairness judgments the role of information ambiguity /." Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1779690151&sid=7&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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42

Javdani, Shervin. "Acting under Uncertainty for Information Gathering and Shared Autonomy." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/1061.

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Acting under uncertainty is a fundamental challenge for any decision maker in the real world. As uncertainty is often the culprit of failure, many prior works attempt to reduce the problem to one with a known state. However, this fails to account for a key property of acting under uncertainty: we can often gain utility while uncertain. This thesis presents methods that utilize this property in two domains: active information gathering and shared autonomy. For active information gathering, we present a general framework for reducing uncertainty just enough to make a decision. To do so, we formu

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43

Streit, Alexander. "Encapsulation and abstraction for modeling and visualizing information uncertainty." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/16963/1/Alexander_Streit_Thesis.pdf.

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Information uncertainty is inherent in many real-world problems and adds a layer of complexity to modeling and visualization tasks. This often causes users to ignore uncertainty, especially when it comes to visualization, thereby discarding valuable knowledge. A coherent framework for the modeling and visualization of information uncertainty is needed to address this issue In this work, we have identified four major barriers to the uptake of uncertainty modeling and visualization. Firstly, there are numerous uncertainty modeling tech- niques and users are required to anticipate their uncertain

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Streit, Alexander. "Encapsulation and abstraction for modeling and visualizing information uncertainty." Queensland University of Technology, 2008. http://eprints.qut.edu.au/16963/.

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Information uncertainty is inherent in many real-world problems and adds a layer of complexity to modeling and visualization tasks. This often causes users to ignore uncertainty, especially when it comes to visualization, thereby discarding valuable knowledge. A coherent framework for the modeling and visualization of information uncertainty is needed to address this issue In this work, we have identified four major barriers to the uptake of uncertainty modeling and visualization. Firstly, there are numerous uncertainty modeling tech- niques and users are required to anticipate their uncertain

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45

Ahmadzadeh, M. R. "Reasoning with uncertainty in remote sensing." Thesis, University of Surrey, 2001. http://epubs.surrey.ac.uk/804/.

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Åhgren, Kristoffer. "Impact of Visual Aids on Estimated Travel Times." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-263107.

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Many popular digital maps are aiming for a simple design with little visuals to aid the user. This study investigates what impact visual aids on a map have on how users estimate the length of travel times. To answer this question an experiment was conducted. The participants were to estimate the travel times between a dozen pairs of points on different maps. Three types of visual aids were tested during the experiment: nothing but the roads and the geography, a grid, and a set of circles centered around the same point. The results of this study suggest that people estimate travel times as shor

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Mansouri, Masoumeh. "Constraint-Based Activity Recognition with Uncertainty." Thesis, Örebro universitet, Akademin för naturvetenskap och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-20408.

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In the context of intelligent environments with the ability to provide support within our homes and in the workplace, the activity recognition process plays a critical role. Activity recognition can be applied to many real-life, humancentric problems such as elder care and health care. This thesis focuses on the recognizing high level human activity through a model driven approach to activity recognition, whereby a constraint-based domain description is used to correlate sensor readings to human activities. An important quality of sensor readings is that they are often uncertain or imprecise.

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48

Das, Ajoy Kumar. "Health Assessment of Three Dimensional Large Structural Systems Using Limited Uncertain Dynamic Response Information." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/268597.

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A novel system identification (SI)-based structural health assessment (SHA) procedure has been developed integrating several theoretical and implementation aspects. The procedure assesses health of structures using limited noise-contaminated dynamic responses and without using input excitation information. Since most practical structures are three dimensional (3D), the procedure has been developed for general 3D structures, represented by finite elements (FEs). The procedure identifies defects by tracking the changes in the stiffness of the elements in the FE representation. Once a defective e

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49

Hermelingmeier, Christian. "Decisions under imperfect information the ordering of information structures and production under endogenous uncertainty." Hamburg Kovač, 2009. http://d-nb.info/998409960/04.

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Hermelingmeier, Christian. "Decisions under imperfect information : the ordering of information structures and production under endogenous uncertainty /." Hamburg : Kovac, J, 2010. http://www.verlagdrkovac.de/978-3-8300-4888-6.htm.

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