Now showing items 1-20 of 2781

    • CEE Alumni News, Summer 2018 

      Unknown author (2018)
      This is the 2018 alumni newsletter for the Charles E. Via Jr. Department of Civil and Environmental Engineering.
    • The Effects Of Gender, Engineering Identification, And Engineering Program Expectancy On Engineering Career Intentions: Applying Hierarchical Linear Modeling (HLM) In Engineering Education Research 

      Tendhar, Chosang; Paretti, Marie C.; Jones, Brett D. (Clute Institute, 2017-12)
      This study had three purposes and four hypotheses were tested. Three purposes: (1) To use hierarchical linear modeling (HLM) to investigate whether students’ perceptions of their engineering career intentions changed over ...
    • Compressed Natural Gas Vehicles: Financially Viable Option? 

      Soltani-Sobh, Ali; Heaslip, Kevin; Bosworth, Ryan; Barnes, Ryan (NAS, 2016)
      Natural gas vehicles are being developed because of increasing concerns about energy dependence, air quality and emissions, and, more recently, climate change. The major advantage of natural gas vehicles is their lower ...
    • News from Holden Hall, Winter 2018 

      Unknown author (Virginia Tech, 2018)
      News from Holden Hall is the Mining & Minerals Engineering department's newsletter aimed at informing our friends and alumni on the latest events, news, and exceptional faculty and student accomplishments.
    • CrowdLayout: Crowdsourced Design and Evaluation of Biological Network Visualizations 

      Singh, Divit P.; Lisle, Lee; Murali, T.M.; Luther, Kurt (ACM, 2018-04)
      Biologists often perform experiments whose results generate large quantities of data, such as interactions between molecules in a cell, that are best represented as networks (graphs). To visualize these networks and ...
    • Detecting Malicious Landing Pages in Malware Distribution Networks 

      Wang, Gang; Stokes, Jack W.; Herley, Cormac; Felstead, David (IEEE, 2013-06)
      Drive-by download attacks attempt to compromise a victim’s computer through browser vulnerabilities. Often they are launched from Malware Distribution Networks (MDNs) consisting of landing pages to attract traffic, ...
    • Co-located Collaborative Play in Virtual Environments for Group Learning in Museums 

      Apostolellis, Panagiotis (ACM, 2014-06)
      Having witnessed the unexplored potential of co-located group collaboration in contemporary museums, the proposed research aims to identify which elements of collaborative virtual environments and serious games can be ...
    • Designing for Schadenfreude (or, how to express well-being and see if youʼre boring people) 

      André, Paul; Schraefel, M.C.; Dix, Alan; White, Ryen W.; Bernstein, Michael; Luther, Kurt (ACM, 2010)
      This position paper presents two studies of content not normally expressed in status updates—well-being and status feedback—and considers how they may be processed, valued and used for potential quality-of-life benefits ...
    • Man vs. Machine: Practical Adversarial Detection of Malicious Crowdsourcing Workers 

      Gang, Wang; Wang, Tianyi; Zheng, Haitao; Zhao, Ben Y. (USENIX, 2014-08)
      Recent work in security and systems has embraced the use of machine learning (ML) techniques for identifying misbehavior, e.g. email spam and fake (Sybil) users in social networks. However, ML models are typically derived ...
    • Social Turing Tests: Crowdsourcing Sybil Detection 

      Wang, Gang; Mohanlal, Manish; Wilson, Christo; Wang, Xiao; Metzger, Miriam; Zheng, Haitao; Zhao, Ben Y. (Internet Society, 2013-02)
      As popular tools for spreading spam and malware, Sybils (or fake accounts) pose a serious threat to online communities such as Online Social Networks (OSNs). Today, sophisticated attackers are creating realistic Sybils ...
    • A Fully-Distributed Heuristic Algorithm for Control of Autonomous Vehicle Movements at Isolated Intersections 

      Hassan, Abdallah A.; Rakha, Hesham A. (Elsevier, 2014)
      Optimizing autonomous vehicle movements through roadway intersections is a challenging problem. It has been demonstrated in the literature that traditional traffic control, such as traffic signal and stop sign control are ...
    • Effects of wall roughness on turbulent junction flow characteristics 

      Apsilidis, Nikolaos; Diplas, Panayiotis; Dancey, Clinton L.; Bouratsis, Polydefkis (Springer Berlin Heidelberg, 2015-12-26)
      Global measurements of turbulent flows at wall–cylinder junctions are employed to quantify the effects of wall roughness on the behavior of the horseshoe vortex system (HVS). Two laboratory setups were considered: one with ...
    • Time-resolved flow dynamics and Reynolds number effects at a wall-cylinder junction 

      Apsilidis, Nikolaos; Diplas, Panayiotis; Dancey, Clinton L.; Bouratsis, Polydefkis (Cambridge University Press, 2015-07-13)
      This study investigated the physics of separated turbulent flows near the vertical intersection of a flat wall with a cylindrical obstacle. The geometry imposes an adverse pressure gradient on the incoming boundary layer. ...
    • Development of the WinSMASH 2010 Crash Reconstruction Code 

      Gabler, Hampton C.; Hampton, Carolyn; Johnson, Nicholas (U.S. Department of Transportation, National Highway Traffic Safety Administration (NHTSA), 2012-07)
      This report describes the development of WinSMASH2010, an extensive update and enhancement to the WinSMASH crash reconstruction code. The specific objectives were (1) to correct known programming bugs in the original ...
    • Connection 2017 

      Unknown author (Virginia Tech, 2017)
      This is a publication for the alumni of the Chemical Engineering Department at Virginia Tech.
    • Stereoselective photoredox ring-opening polymerization of O-carboxyanhydrides 

      Feng, Quanyou; Yang, Lei; Zhong, Yongliang; Guo, Dong; Liu, Guoliang; Xie, Linghai; Huang, Wei; Tong, Rong (Nature, 2018-04-19)
      Biodegradable polyesters with various tacticities have been synthesized by means of stereoselective ring-opening polymerization of racemic lactide and β-lactones but with limited side-chain groups. However, stereoselective ...
    • Varsity Football Helmet STAR Protocol 

      Tyson, Abigail M.; Rowson, Steven (Virginia Tech, 2018-03-30)
      This document details the protocol used to rate adult football helmets based on concussion risk according to the Virginia Tech Helmet Ratings.
    • Soccer Headgear STAR Protocol 

      Tyson, Abigail M.; Press, Jaclyn; Rowson, Steven (Virginia Tech, 2018-03-30)
      This document details the protocol used to rate soccer headgear based on concussion risk according to the Virginia Tech Helmet Ratings.
    • MOANA: Modeling and Analyzing I/O Variability in Parallel System Experimental Design 

      Cameron, Kirk W.; Anwar, Ali; Cheng, Yue; Xu, Li; Li, Bo; Ananth, Uday; Lux, Thomas; Hong, Yili; Watson, Layne T.; Butt, Ali R. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2018-04-19), TR-18-04
      Exponential increases in complexity and scale make variability a growing threat to sustaining HPC performance at exascale. Performance variability in HPC I/O is common, acute, and formidable. We take the first step towards ...
    • Modeling Influence using Weak Supervision: A joint Link and Post-level Analysis 

      Chen, Liangzhe; Prakash, B. Aditya (Department of Computer Science, Virginia Polytechnic Institute & State University, 2018-04-09), TR-18-03
      Microblogging websites, like Twitter and Weibo, are used by billions of people to create and spread information. This activity depends on various factors such as the friendship links between users, their topic interests ...