• Benders Decomposition for Profit Maximizing Hub Location Problems with Capacity Allocation 

  Taherkhani, Gita; Alumur, Sibel A.; Hosseini, Seyed Mojtaba (2019-06)

  This paper models capacity allocation decisions within profit maximizing hub location problems to satisfy demand of commodities from different market segments. A strong deterministic formulation of the problem is presented ...

• Neural bases of eye and gaze processing: The core of social cognition 

  Taherkhani, Gita; Alumur, Sibel A. (Elsevier, 2019-07-01)

  In this paper, we study profit maximizing hub location problems. We formulate mathematical models determining the location of hubs, designing the hub networks, and routing the demand in order to maximize profit. The profit ...

• Robust Optimization for SCED in AC-HVDC Power Systems 

  Dehghani Filabadi, Milad (University of Waterloo, 2019-05-15)

  Wind power is a clean, renewable and low-carbon resource for power generation that has received increasing attention in power systems over the last few decades. There are two main challenges associated with the large-scale ...

• Text Mining to Understand Emotion Triggers 

  Chen, Liuyan (University of Waterloo, 2019-05-15)

  In computational linguistics, most sentiment analysis builds binary classification models on customer reviews data to predict whether a review is positive or negative. In this thesis, we go a step further and build ...

• Shared Community Energy Storage Allocation and Optimization 

  Chang, Hsiu-Chuan (University of Waterloo, 2019-05-13)

  Distributed Energy Resources (DERs) have been playing an increasingly important role for managing households energy costs. DERs consist primarily of energy generation and storage systems utilized by individual households ...

• Green Supply Chain Network Design with Emission Sensitive Demand 

  Waltho, Cynthia (University of Waterloo, 2019-04-30)

  Over the last few decades, the argument for a link between greenhouse gas emissions and global warming has become stronger. In response, there has been a global shift. Politicians are implementing carbon policies while ...

• Hub Location Problems with Profit Considerations 

  Taherkhani, Gita (University of Waterloo, 2019-04-23)

  This thesis studies profit maximizing hub location problems. These problems seek to find the optimal number and locations of hubs, allocations of demand nodes to these hubs, and routes of flows through the network to serve ...

• Typology of Business Models for Emerging Grid-scale Energy Storage Technologies 

  Malek, Kourosh (University of Waterloo, 2019-03-26)

  The main goals of this thesis are to develop, validate, and analyze emerging business models to ensure near-term market success of the grid-scale Energy Storage (ES) technologies. The main research contributions are a ...

• A Feasible Lagrangian Approach with Application to the Generalized Assignment Problem 

  Punjwani, Shahroz (University of Waterloo, 2019-01-28)

  Lagrangian relaxation is a widely used decomposition approach to solve difficult optimization problems that exhibit special structure. It provides a lower bound on the optimal objective of a minimization problem. On the ...

• Patent Technological Diversity and Examination Outcomes in China 

  Li, Yaohan (University of Waterloo, 2018-12-07)

  This study examines how the duration of patent examination is affected by technological diversity of patent applications, using a sample of all pharmaceutical patent applications filed between 1985 and 2017 at State ...

• 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 ...

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