ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [13640]
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Masters Theses [18670]
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Undergraduate Theses [24]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Vinginia Tech ETDs.
Recent Submissions
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Impact of cocoa (Theobroma cacao L.) fermentation on composition and concentration of polyphenols: Development of fermentation model system and utilization of yeast starter cultures
(Virginia Tech, 2017-09-28)Consumption of cocoa and dark chocolate products has been associated with positive health outcomes including reduced onset of cardiovascular disease, inflammation, diabetes, obesity, and platelet disorders. Cocoa polyphenols, ... -
Sensorium: The Sum of Perception
(Virginia Tech, 2017-09-28)We live in a world full of stimuli. We can see, smell, feel, taste and hear because stimuli surrounds us. However, when we are conceived in the womb of our mothers we are formed with no senses. During that time we are ... -
Roll and Yaw Stability Evaluation of Class 8 Trucks with Single and Dual Trailers in Low- and High-speed Driving Conditions
(Virginia Tech, 2017-09-28)A comprehensive evaluation of roll and yaw stability of tractor/semitrailers with single and dual trailers in city and highway conditions is conducted. Commercial vehicles fundamentally behave differently in city driving ... -
A Curvature-Corrected Rough Surface Scattering Theory Through The Single-Scatter Subtraction Method
(Virginia Tech, 2019-03-21)A new technique is presented to study radio propagation and rough surface scattering problems based on a reformulation of the Magnetic Field Integration Equation (MFIE) called the Single-Scatter Subtraction (S^3) method. ... -
Regulation of protein metabolism in skeletal muscle of low-birth-weight neonatal pigs
(Virginia Tech, 2017-09-27)The neonatal period in mammals is characterized by high rates of growth, attributed to rapid myonuclear accretion and protein deposition in muscle. Low-birth-weight (LBWT) neonates experience restricted muscle development, ... -
Bayesian Methods for Intensity Measure and Ground Motion Selection in Performance-Based Earthquake Engineering
(Virginia Tech, 2019-03-19)The objective of quantitative Performance-Based Earthquake Engineering (PBEE) is designing buildings that meet the specified performance objectives when subjected to an earthquake. One challenge to completely relying upon ... -
Assessing Maintenance and Management of Infrastructure Systems Using Citizen Reported Service Requests
(Virginia Tech, 2019-03-19)Maintaining current and future infrastructure will require smart practices to help better meet user needs with fewer financial resources. The recent adoption of information communication technologies, such as, 311-call ... -
Quantifying the Effects of a Constricted Temporal Window in Reinforcer Pathology
(Virginia Tech, 2019-03-18)Health behaviors, positive and negative, can support or reduce risk for multiple chronic diseases, such as substance use disorder and obesity. These diseases are marked by overconsuming commodities that offer predictable ... -
Laying the Genetic and Molecular Foundation for the Study of Fusobacterium Nucleatum in Relation to Human Health and Disease
(Virginia Tech, 2019-03-18)Fusobacterium nucleatum is a Gram-negative, anaerobic bacterium that is a member of the human oral microbiota. Although it is a normal resident of the mouth, it is associated with a number of human diseases including: ... -
Structural Modeling and Optimization of Aircraft Wings having Curvilinear Spars and Ribs (SpaRibs)
(Virginia Tech, 2017-09-22)The aviation industry is growing at a steady rate but presently, the industry is highly dependent on fossil fuel. As the world is running out of fossil fuels and the wide-spread acceptance of climate change due to carbon ... -
Parameter Estimation from Retarding Potential Analyzers in the Presence of Realistic Noise
(Virginia Tech, 2019-03-15)Retarding Potential Analyzers (RPA) have a rich flight heritage. These instruments are largely popular since a single current-voltage (I-V) profile can provide in-situ measurements of ion temperature, velocity and composition. ... -
The Copycat Effect: Do social influences allow peer team members' dysfunctional audit behaviors to spread throughout the audit team?
(Virginia Tech, 2019-03-15)Staff auditors often rely on team members as a source of information to determine the behaviors that are normal and acceptable. This may be one cause of the prevalence of audit quality reducing dysfunctional audit behaviors ... -
Trust Management Systems: Reference Architecture and Personalization
(Virginia Tech, 2017-09-20)Trust is the cornerstone of success in any relationship between two or more parties. Generally, we do not socialize, seek advice, consult, cooperate, buy or sell goods and services from/to others unless we establish some ... -
Emotion Regulation Treatment of Disruptive Behavior: A Preliminary Investigation
(Virginia Tech, 2017-09-20)Children with oppositional defiant disorder (ODD) can have heterogeneous presentations due to varying combinations of the eight criterion A symptoms. Researchers have identified a subtype of ODD for children with primarily ... -
Empirical Evaluation of Edge Computing for Smart Building Streaming IoT Applications
(Virginia Tech, 2019-03-13)Smart buildings are one of the most important emerging applications of Internet of Things (IoT). The astronomical growth in IoT devices, data generated from these devices and ubiquitous connectivity have given rise to a ... -
Influences of Test Conditions and Mixture Proportions on Property Values of Soil Treated with Cement to Represent the Wet Method of Deep Mixing
(Virginia Tech, 2017-09-19)A laboratory testing program was conducted on cement-treated soil mixtures fabricated to represent materials produced by the wet method of deep mixing. The testing program focused on investigating the influences that ... -
Automatic Internet of Things Device Category Identification using Traffic Rates
(Virginia Tech, 2019-03-12)Due to the ever increasing supply of new Internet of Things (IoT) devices being added onto a network, it is vital secure the devices from incoming cyber threats. The manufacturing process of creating and developing a new ... -
Influence of Project-Level Characteristics and Factors on Innovation and Value Creation in US Highway Public-Private Partnership Projects
(Virginia Tech, 2017-09-18)Innovation is a popular topic that receives significant attention from both organizations and academics. This attention includes scholars, executives, public entities, and private organizations in the construction and ... -
Deep Learning Models for Context-Aware Object Detection
(Virginia Tech, 2017-09-15)In this thesis, we present ContextNet, a novel general object detection framework for incorporating context cues into a detection pipeline. Current deep learning methods for object detection exploit state-of-the-art image ... -
A Semantic Web-Based Digital Library Infrastructure to Facilitate Computational Epidemiology
(Virginia Tech, 2017-09-15)Computational epidemiology generates and utilizes massive amounts of data. There are two primary categories of datasets: reported and synthetic. Reported data include epidemic data published by organizations (e.g., WHO, ...
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