Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 32 for “"aleatory"”.
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A Probabilistic Decision Support System for a Performance-Based Design of Infrastructures
… main types of uncertainties may exist: 1) the aleatory uncertainty associated with the nature of the built environment (i.e., the economic, social, and environmental impacts of infrastructures must be described as probabilistic); and 2) the epistemic uncertainty associated with the lack of …
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Advancing Efficiency and Safety in Autonomous Sequential Decision Making
… risks associated with agent actions through aleatory uncertainty. Initially, the thesis investigates strategies to enhance RL algorithms' adaptability and knowledge transfer across varying scenarios, alongside quantifying model uncertainty—specifically, the inaccuracies in agents' …
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Development and Use of a Spatially Accurate Polynomial Chaos Method for Aerospace Applications
… uncertainties may be treated as probabilistic, aleatory sources, other uncertainties are non-probabilistic and epistemic due to a lack of knowledge, and cannot be rigorously treated using classical statistics or Bayesian approaches. An additional complication for propagating uncertainty is that …
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Who Should I Trust? Uncertainty and Risk for Knowledge Transfer from Multiple Sources in Reinforcement Learning Domains
… uncertainty about the model predictions, while aleatory uncertainty arises due to the stochastic nature of the environment. We address epistemic uncertainty by leveraging Bayesian model combination (BMC) to quantify and utilize uncertainty over the selection of knowledge sources for transfer, …
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Decision making under epistemic uncertainty : an application to seismic design
… optimal Bayesian decisions do not depend on the aleatory or epistemic nature of the uncertainties, but only on the total (epistemic plus aleatory) uncertainty and how that total uncertainty varies randomly during the lifetime of the project.
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Reliability-based analysis and maintenance of buried pipes considering the effect of uncertain variables
… capability. Often, they can only account for the aleatory type of uncertainty. Furthermore, with the increasing need in the use of buried pipelines, developing a robust and effective framework becomes necessary to overcome or mitigate against the possibility of failure. In this research, the …
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Uncertainty Assessment in High-Risk Environments Using Probability, Evidence Theory and Expert Judgment Elicitation
… theory to combine two classes of uncertainty, aleatory and epistemic. Probability theory provides the mathematical structure traditionally used in the representation of aleatory uncertainty. The uncertainty in analysis outcomes is represented by probability distributions and typically …
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Writing William Burroughs, performing the archive
… alternative compositional modes based on the aleatory form of the Cut-up. Burroughs sold the entirety of his work from the period, assembled into an archive, to a collector in 1972. This study uses performative writing to document a year of archival research in Burroughs' collection, currently …
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Redundancy in Steel Moment Frame Systems Under Seismic Excitations
… of capacity are constructed; (3) both aleatory and epistemic uncertainties in demand and capacity are taken into account; (4) based on the results of (2), a uniform-risk redundancy factor, RR, for design to achieve a uniform reliability level for buildings of different redundancies is …
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Night-glory: cut-up literature, anarchism, and the question of the subject
… through the cut-up technique. It argues that the aleatory and processual experiments in Gertrude Stein's, William S. Burroughs', Kathy Acker's, and Kenji Siratori's cut-up works appeal to principles of embodiment, affect, and affinity foundational for anarchist practices of direct action, …
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Probabilistic Oil and Gas Production Forecasting using Machine Learning
… forecasts also quantified the epistemic and aleatory uncertainties, providing plausible probabilistic P10 and P90 values. This range provides analysts with the capability of making informed strategic decisions that consider risk. Next, the model was applied to predict reserves (estimated …
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The conjured drawings of Carlo Scarpa: a magic-real inquiry into architectural representation
… Such realities, however, are not a product of aleatory allegories, but they emerge within an immersive and witty approach to the work and the world.
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THEATRES OF THE SUBJECT: THEATRICALITY AND DIALECTIC IN CONTEMPORARY FRENCH THOUGHT
… by their different attitudes concerning the aleatory, unpredictable nature of live theatrical performance. The stakes of the project for theatre and performance studies lie in its affirmationist acount of theatrical mimesis. Far from constituting a site of representational closure and binary …
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Compositional Issues with Corigliano, Oliveros, and Kernis
… by Lutoslawski in his use of controlled aleatory, and if he had personal reasons for creating special notation, such as the 'Morse Code' symbol found in the Clarinet Concerto. Kernis, representing a younger generation of composers, explains why he views 'eclectic' as a safe description of …
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Assessment of Model Validation, Calibration, and Prediction Approaches in the Presence of Uncertainty
… These uncertainties can be in the form of aleatory uncertainties due to randomness or epistemic uncertainties due to lack of knowledge. Four different approaches are used for addressing model validation and calibration: 1) the area validation metric (AVM), 2) a modified area validation …
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Performance-based earthquake engineering with the first-order reliability method
… uncertainties arising from inherent randomness (“aleatory uncertainty”) and due to the lack of knowledge (“epistemic uncertainty”) are identified. A framework for the separation of these uncertainties is proposed. Following this, the applicability of FORM to the linear and nonlinear finite-element …
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Apparatus Poetica: The Question Of Technology In Mid-Twentieth-Century American Poetry
… Changing Light at Sandover engages language's aleatory powers to situate inspiration's accidents amid uncertain historical and technological horizons. This dissertation explores how these late modernists use language's technē to rethink mid-century historical forces catalyzed by technology. …
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Surveillance, Subjectivity and Resistance at the Frontiers of Europe: A Materialist Analysis of the Greece-Turkey Borders
… dissertation critically engages with Althusser’s aleatory materialism, Foucault’s analytics of power and other complementary theories, and it analyzes the four aspects of the border in individual chapters. 1. Structural-decentred aspects of the border: The dissertation analyzes the historical …
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Pitch organisation in the music of Witold Lutoslawski since 1979
… the relationship between his technique of aleatory counterpoint end his methods of organising pitch. The five chapters of Part Two provide detailed analytical examination and critical discussion of each major work composed since 1979, with particular reference to the methods of pitch …
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On the probability of perfection of Software-Based systems
… assessment of 1-out-of-2 diverse systems at both aleatory and epistemic levels; and degrading the well-known difficulty of specifying complete Bayesian priors into reasoning with only partial priors. Both of them are solved at the price of conservatism. In summary, this thesis provides 3 parallel …
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