Now showing items 21-40 of 274

    • Measuring Tool Embodiment in Ready-to-Hand and Unready-to-Hand Situations Using Virtual and Physical Tools 

      Alzayat, Ayman (University of Waterloo, 2018-11-30)
      Virtual environments can provide access to a variety of information that can be designed to mimic physical attributes or afford physical-like actions. Virtual reality and other ways of interactions such as multi-touch, ...
    • Shipment consolidation with two demand classes: Rationing the dispatch capacity 

      Satir, Benhur; Erenay, Fatih Safa; Bookbinder, James H. (Elsevier, 2018-10-01)
      We analyze the problem faced by a logistics provider that dispatches shipment orders (parcels or larger packages) of two order classes, viz. expedited and regular. Shipment orders arrive according to a compound Poisson ...
    • Robust Direct Aperture Optimization Methods for Cardiac Sparing in Left-Sided Breast Cancer Radiation Therapy 

      Ripsman, Danielle (University of Waterloo, 2018-09-26)
      Designing conformal and equipment-compatible radiation therapy plans is essential for ensuring high-quality treatment outcomes for cancer patients. Intensity modulated radiation therapy (IMRT) is a commonly-used method of ...
    • Delaying Payment and Consumer Behavior 

      Tanehkar, Ahmad (University of Waterloo, 2018-09-21)
      Resource constraint at the time of purchase decisions is one important factor that impose restriction on consumer behavior. Past research has found that a higher available resource reduces the resource depletion people ...
    • 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, ...
    • Optimization and Comparison of Manual and Semi-Automated Material Handling in a Cross-Dock Using Discrete-Event Simulation 

      Natarajan, Saravanan (University of Waterloo, 2018-08-21)
      A Cross-Dock (CD) is a synchronized unit of a supply chain network, used to sort the goods received from inbound trucks (from a warehouse or factory), and load those products to outbound trucks (for delivery of the goods ...
    • Hierarchical and Nesting Approaches for the Facility Layout Problem 

      Ulch, Daniel (University of Waterloo, 2018-08-16)
      The Facility Layout Problem (FLP) seeks to determine the dimensions, coordinates and arrangement of rectangular departments within a given facility. The goal is to minimize the cost of inter-department flow. It has several ...
    • Natural Language Generation with Neural Variational Models 

      Pallikara Bahuleyan, Hareesh (University of Waterloo, 2018-08-13)
      Automatic generation of text is an important topic in natural language processing with applications in tasks such as machine translation and text summarization. In this thesis, we explore the use of deep neural networks ...
    • A Dual Toll Policy for Regulating the Transportation of Hazardous Materials 

      Zhang, Huiwen (University of Waterloo, 2018-08-03)
      The transportation of hazardous materials (hazmat) has drawn significant attention from various stakeholders due to the undesirable impacts on the environment and public health. Focusing on the connection between the traffic ...
    • Use of Markov Decision Process Models in Preventive Medicine 

      NEMUTLU, GIZEM SULTAN (University of Waterloo, 2018-08-02)
      The biggest trade-off when proposing health care policies is about balancing the effectiveness and the practicality of the policies. The optimal policies providing benchmark performances can be driven through using operations ...
    • Data-driven Structure Detection in Optimization: Decomposition, Hub Location, and Brain Connectivity 

      Khaniyev, Taghi (University of Waterloo, 2018-07-13)
      Employing data-driven methods to efficiently solve practical and large optimization problems is a recent trend that focuses on identifying patterns and structures in the problem data to help with its solution. In this ...
    • A Regional Electricity Hub for Energy Transitions 

      Guler, Burak (University of Waterloo, 2018-07-10)
      The transition to a low-carbon energy economy will remain a cornerstone of national energy policies of countries committed to the climate change accord for decades to come. We highlight the need for transmission investment ...
    • Deriving effective vaccine allocation strategies for pandemic influenza: Comparison of an agent-based simulation and a compartmental model 

      Dalgic, Ozden O.; Ozaltin, Osman Y.; Ciccotelli, William A.; Erenay, Fatih S. (Public Library of Science, 2017-02-21)
      Individuals are prioritized based on their risk profiles when allocating limited vaccine stocks during an influenza pandemic. Computationally expensive but realistic agent-based simulations and fast but stylized compartmental ...
    • Simulation-Optimization Framework for Synthesis and Design of Natural Gas Downstream Utilization Networks 

      Al-Sobhi, Saad A.; Elkamel, Ali; Erenay, Fatih S.; Shaik, Munawar A. (MDPI, 2018-02-01)
      Many potential diversification and conversion options are available for utilization of natural gas resources, and several design configurations and technology choices exist for conversion of natural gas to value-added ...
    • A Lagrangian Approach for The Airfreight Consolidation Problem Under Pivot-weight 

      Alzaeem, Mohammad Alqssem (University of Waterloo, 2018-05-23)
      International airfreight forwarders are faced with the problem of consolidating ship- ments for efficient transportation by airline carriers. The use of standard unit loading devices (ULDs) is a solution adopted by the ...
    • Data Driven Efficiency for E-Warehousing: Descriptive and Prescriptive Analytics 

      Ugur, Yildiz (University of Waterloo, 2018-05-18)
      Based on data provided by a warehouse logistics management company, we analyze the warehousing operation and its major processes of order picking and order consolidation. Without access to the actual layouts and process ...
    • Robust inverse optimization 

      Ghobadi, Kimia; Lee, Taewoo; Mahmoudzadeh, Houra; Terekhov, Daria (Elsevier, 2018-05-01)
      Given an observation of a decision-maker’s uncertain behavior, we develop a robust inverse optimization model for imputing an objective function that is robust against mis-specifications of the behavior. We characterize ...
    • Models and Solution Methods for the Pallet Loading Problem 

      Yildiz, Burak Can (University of Waterloo, 2018-05-07)
      The three-dimensional bin packing problem (3DBPP) seeks to find the minimum number of bins to pack a finite number of rectangular boxes. It has a wide array of applications, ranging from airline cargo transportation to ...
    • Lot-Sizing of Several Multi-Product Families 

      Bayley, Tiffany (University of Waterloo, 2018-04-19)
      Production planning problems and its variants are widely studied in operations management and optimization literature. One variation that has not garnered much attention is the presence of multiple production families in ...
    • A Study of Immediate Requery Behavior in Search 

      Zhang, Haotian; Abualsaud, Mustafa; Smucker, Mark D. (Association for Computing Machinery, 2018-03-11)
      When search results fail to satisfy users' information needs, users often reformulate their search query in the hopes of receiving better results. In many cases, users immediately requery without clicking on any search ...


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