Browsing Faculty of Science by Title
Now showing items 392-411 of 423
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The toxicity of Harmony Landfill Leachate to Green Hydra (Hydra viridiisma)
(2010-08-01)Harmony Landfill is a former industrial waste disposal site located adjacent to Harmony Creek in Oshawa, Ontario, Canada. During active disposal, from 1957 until 1980, approximately 1 million tonnes of waste were land-filled ... -
The transcription factor, fixK, plays a central role in carbon source metabolism and cellulose synthesis in Komagataeibacter species
(2017-07-01)Komagataeibacter xylinus ATCC 53582 and K. hansenii ATCC 23769 are model bacterial cellulose producers. This thesis investigated both carbon source utilization and the role that a Crp/Fnr transcription factor, FixK, plays ... -
Transformer-based models for answer extraction in text-based question/answering
(2023-04-01)The success of transformer-based language models has led to a surge of research in various natural language processing tasks, among which extractive question-answering/answer span detection, has received considerable ... -
Transport-theory-equivalent diffusion coefficients for node-homogenized neutron diffusion problems in CANDU lattices
(2010-04-01)Calculation of the neutron flux in a nuclear reactor core is ideally performed by solving the neutron transport equation for a detailed-geometry model using several tens of energy groups. However, performing such detailed ... -
Trust-based framework for information sharing in health care
(2016-10-01)The use of information systems in the health care area specifically in Mobile health care, can result in delivering high quality and efficient patient care. At the same time, using electronic systems for sharing information ... -
Understanding and predicting method-level source code changes using commit history data
(2016-10-01)Software development and software maintenance require a large amount of source code changes to be made to a software repositories. Any change to a repository can introduce new resource needs which will cost more time and ... -
Understanding the carbon morphology in sulfonated-silica ceramic carbon electrodes for the PEM fuel cell device
(2020-03-01)Using hydrogen and oxygen gas, the fuel cell is a device that converts chemical energy into electrical energy. Particularly, the proton exchange membrane fuel cell, has multiple components, all that are consistently being ... -
Understanding the role of aquatic plants in stormwater management pond performance in Oshawa, Ontario, Canada
(2020-05-01)Stormwater Management Ponds (SMPs) are engineered to receive, store, and treat stormwater runoff before it enters receiving waters in urbanizing landscapes. While these systems are not considered natural, they are typically ... -
Unified processing of natural language and relational data
(2022-09-01)This work outlines a method for performing natural language tasks as part of a relational framework. Utilizing features of PostgreSQL as a relational database and its extensibility to allow for word embedding without leaving ... -
UniNet: A mixed reality driving simulator
(2019-08-01)Driving simulators play an important role in vehicle research. However, existing virtual reality simulators do not give users a true sense of presence. UniNet is our driving simulator, designed to allow users to interact ... -
An unmanned aerial vehicle-based assessment method for quantifying computer vision models
(2019-04-01)Computer vision is a growing field in computer science. Since the advancement of Machine learning, Computer vision solutions have been trending. As a result of the growing number of solutions and performance increases in ... -
Use of bioelectrical impedance analysis (BIA) to predict water and energy content of juvenile Rainbow Trout (Oncorhynchus mykiss)
(2011-08-01)Accurate measurements of energy content and body composition are essential to effectively assess the well-being of fish. Bomb calorimetry and proximate analysis are currently the most dependable and accurate methods to ... -
Using consumer-grade brain-computer interface devices to capture and detect unaware facial recognitions
(2017-08-01)The brain's natural reaction to viewing and processing faces in an aware manner is an area of research that has been explored for previously, however the brain's unaware reactions to these stimuli prove to be fairly less ... -
Using detection in depth to counter SCADA-specific advanced persistent threats
(2014-04-01)A heavy focus has recently been placed on the current state of each country’s critical infrastructure security. Unfortunately, widely deployed supervisory control and data acquisition (SCADA) protocols provide little ... -
Using machine learning methods to aid scientists in laboratory environments
(2019-12-01)As machine learning gains popularity as a scientific instrument, we look to create methods to implement it as a laboratory tool for researchers. In the first of two projects, we discuss creating a real-time interference ... -
Using Rabin-Karp fingerprints and LevelDB for faster searches
(2012-12-01)This thesis represents the results of a study into using fingerprints generated according to the Rabin-Karp Algorithm, and a database LevelDB to achieve Text Search times below GREP, which is a standard command-line UNIX ... -
Using Visual Analytics of Heart Rate Variation to Aid in Diagnostics
(CEUR Workshop Proceedings, 2016-06-07)We present an interactive visualization tool for exploring RR interval data (the time between consecutive heart beats) to support diagnostics. An RR interval sequence diagram allows us to reduce hours of data into a general ... -
A variational approach to mapping: an exploration of map representation for SLAM
(2012-07-01)Simultaneous Localization and Mapping (SLAM) algorithms are used by autonomous robots to build or update maps of an environment while maintaining their position simultaneously. A fundamental open problem in SLAM is the e ... -
Vector occluders: an empirical approximation for rendering global illumination effects in real-time
(2013-02-01)Precomputation has been previously used as a means to get global illumination effects in real-time on consumer hardware of the day. Our work uses Sloan’s 2002 PRT method as a starting point, and builds on it with two new ... -
Vehicular infotainment forensics: collecting data and putting it into perspective
(2017-01-01)In today’s transportation system, countless numbers of vehicles are on the road and later generations have become mobile computers. Vehicles now have embedded infotainment systems that enable user-friendliness and ...