Now showing items 2772-2791 of 2985

    • Topics in early and late Universe cosmology 

      Sarma Boruah, Supranta (University of Waterloo, 2020-08-11)
      In this thesis, we explore different problems in various areas of cosmology. The inflationary paradigm has been very successful in explaining cosmological observations. However, some problems still linger on. In the ...
    • Topics in G₂ geometry and geometric flows 

      Dwivedi, Shubham (University of Waterloo, 2020-05-15)
      We study three different problems in this thesis, all related to G₂ structures and geometric flows. In the first problem we study hypersurfaces in a nearly G₂ manifold. We define various quantities associated to such a ...
    • Topics in Quantum Foundations: Ontological Models, and Distinguishability as a Resource 

      Morris, Ryan (University of Waterloo, 2009-08-24)
      This thesis covers research in two disjoint research areas: The ontological model program (formerly hidden-variables program) for quantum theory has a long and noble tradition in the quantum foundations literature. By ...
    • Topics in Study Design and Analysis Involving Incomplete Data 

      Yang, Ce (University of Waterloo, 2021-07-27)
      Incomplete data is a common occurrence in statistics with various types and mechanisms such that each can have a significant effect on statistical analysis and inference. This thesis tackles several statistical issues in ...
    • Topics in the Design of Life History Studies 

      Moon, Nathalie C. (University of Waterloo, 2018-08-20)
      Substantial investments are being made in health research to support the conduct of large cohort studies with the objective of improving understanding of the relationships between diverse features (e.g. exposure to toxins, ...
    • Topographically generated internal waves and boundary layer instabilities 

      Soontiens, Nancy; Stastna, Marek; Waite, Michael L (American Institute of Physics, 2015-08)
      Flow over topography has been shown to generate finite amplitude internal waves upstream, over the topography and downstream. Such waves can interact with the viscous bottom boundary layer to produce vigorous instabilities. ...
    • Topological Quantum Computation and Protected Gates 

      Sijher, Sumit (University of Waterloo, 2015-12-22)
      This thesis serves to give a mathematical overview of topological quantum computation and to apply the theory to characterize desirable fault-tolerant operations called protected gates. Topological quantum computation is ...
    • Topology-Awareness and Re-optimization Mechanism for Virtual Network Embedding 

      Butt, Nabeel (University of Waterloo, 2010-01-15)
      Embedding of virtual network (VN) requests on top of a shared physical network poses an intriguing combination of theoretical and practical challenges. Two major problems with the state-of-the-art VN embedding algorithms ...
    • Total Relation Recall: High-Recall Relation Extraction 

      Liu, Xinyu (University of Waterloo, 2021-04-28)
      As Knowledge Graphs (KGs) become important in a wide range of applications, including question-answering and recommender systems, more and more enterprises have recognized the value of constructing KGs with their own data. ...
    • Touch Crossing-Based Selection and the Pin-and-Cross Technique 

      Luo, Yuexing (University of Waterloo, 2015-05-13)
      This thesis focuses on the evaluation, exploration and demonstration of crossing paradigm with touch modality. Under the scenario of crossing selection, the target is selected by stroking through a boundary 'goal' instead ...
    • Toward a unified global regulatory capital framework for life insurers 

      Sharara, Ishmael (University of Waterloo, 2011-03-07)
      In many regions of the world, the solvency regulation of insurers is becoming more principle-based and market oriented. However, the exact forms of the solvency standards that are emerging in individual jurisdictions are ...
    • Toward an improved understanding of software change 

      Zou, Lijie (University of Waterloo, 2003)
      Structural changes, including moving, renaming, merging and splitting are important design change decisions made by programmers. However, during the process of software evolution, this information often gets lost. ...
    • Toward an Interoperable and Centralized Consent Centric Access Control Model for Healthcare Resources: Model and Implementation 

      Mousaid, Hassan (University of Waterloo, 2020-09-29)
      Although patients have the legal right in Canada and many other countries to specify how, when and by whom their medical records can be accessed, the harsh reality is that in almost all cases using existing systems and ...
    • Toward an Understanding of Software Code Cloning as a Development Practice 

      Kapser, Cory (University of Waterloo, 2009-09-30)
      Code cloning is the practice of duplicating existing source code for use elsewhere within a software system. Within the research community, conventional wisdom has asserted that code cloning is generally a bad practice, ...
    • Toward Improved Understanding and Management of Software Clones 

      Wang, Wei (University of Waterloo, 2012-05-03)
      The cloning of code is controversial as a development practice. Empirical studies on the long-term effects of cloning on software quality and maintainability have produced mixed results. Some studies have found that cloning ...
    • Toward Secure Trust and Reputation Systems for Electronic Marketplaces 

      Kerr, Reid Charles (University of Waterloo, 2007-05-03)
      In electronic marketplaces, buying and selling agents may be used to represent buyers and sellers respectively. When these marketplaces are large, repeated transactions between traders may be rare. This makes it difficult ...
    • Towards a New Generation of Permissioned Blockchain Systems 

      Gorenflo, Christian (University of Waterloo, 2020-05-14)
      With the release of Satoshi Nakamoto's Bitcoin system in 2008 a new decentralized computation paradigm, known as blockchain, was born. Bitcoin promised a trading network for virtual coins, publicly available for anyone to ...
    • Towards a Trait Model of Video Game Preferences 

      Fortes Tondello, Gustavo; Valtchanov, Deltcho; Reetz, Adrian; Wehbe, Rina Renee; Orji, Rita; Nacke, Lennart (Taylor & Francis, 2018-04-19)
      Typologies for understanding players’ preferences toward different gameplay styles have gained popularity in research. However, attempts to model players’ preferences are based on type models instead of trait models, ...
    • Towards A Workload-Driven Flow Scheduler For Modern Datacenters 

      Naouach, Mohamed Malek (University of Waterloo, 2018-10-05)
      Modern datacenters run different applications with various communication requirements in terms of bandwidth and deadlines. Of particular interest are deadlines that are driving web-search workloads e.g. when submitting ...
    • Towards an Enhanced Dependency Graph 

      Meidani, Seyed Mehran (University of Waterloo, 2022-12-22)
      Dependency graphs are at the heart of software analytics tasks like change impact analysis, test selection, and maintenance analysis. Despite their importance, current approaches to extract and analyze dependency graphs ...

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