Now showing items 110-129 of 287

    • Facebook use in Bhutan: A Comparative Study 

      Hamidi, Foad; Baljko, Melanie (2013-12)
      Technology is adopted and used in novel ways in different contexts. We present results from a survey concerning the use of the Facebook social network in the Kingdom of Bhutan and compare the ...
    • Filtering the piotroski portfolio: the roles of economic sector, small cap, and technical momentum 

      Rada, Roy
      Background and Objective: In one of the most cited, value-investing results, a portfolio of approximately 100 stocks is selected based on value and fundamental factors. If an investor wants to select 10 of those recommended ...
    • Firearm Detection Using Wrist Worn Tri-Axis Accelerometer Signals 

      Khan, Md Abdullah Al Hafiz; Welsh, David; Roy, Nirmalya
      Gunshot detection traditionally has been a task performed with acoustic signal processing. While this type of detection can give cities, civil services and training institutes a method to identify specific locations of ...
    • A Flash Flood Categorization System using Scene-Text Recognition 

      Basnyat, Bipendra; Roy, Nirmalya; Gangopadhyay, Aryya (IEEE, 2018)
      Detecting flash floods in real-time and taking rapid actions are of utmost importance to save human lives, loss of infrastructures, and personal properties in a smart city. In this paper, we develop a low-cost low-power ...
    • Forecasting Exchange Rates: A Neuro-Fuzzy Approach 

      Alizadeh, Meysam; Rada, Roy; Balagh, Akram Khaleghei Ghoshe; Esfahani, Mir Mehdi Seyyed
      This paper presents an adaptive neuro-fuzzy inference system (ANFIS) for USD/JPY exchange rates forecasting. Previous work often used time series techniques and neural networks (NN). ANFIS can be used to better explain ...
    • Forecasting Gas Usage for Big Buildings using Generalized Additive Models and Deep Learning 

      Pathak, Nilavra; Ba, Amadou; Ploennings, Joern; Roy, Nirmalya (IEEE, 2018)
      Time series behavior of gas consumption is highly irregular, non-stationary, and volatile due to its dependency on the weather, users’ habits and lifestyle. This complicates the modeling and forecasting of gas consumption ...
    • Framework for Cloud Usability 

      Stanton, Brian; Theofanos, Mary; Joshi, Karuna Pande (Springer, 2015-08-02)
      Organizations are increasingly adopting cloud-based services to meet their business needs. However, due to the complexity and diversity of cloud systems it is important to evaluate the user experience using within a framework ...
    • Framework for Cloud Usability 

      Stanton, Brian; Theofanos, Mary; Joshi, Karuna P.
      Organizations are increasingly adopting cloud-based services to meet their business needs. However, due to the complexity and diversity of cloud systems it is important to evaluate the user experience within a framework ...
    • A Framework for Relating Frontstage and Backstage Quality in Virtualized Services 

      Joshi, Karuna Pande; Joshi, Anupam; Yesha, Yelena; Kothari, Ravi (University of Maryland, Baltimore County, 2009-05-20)
      Virtualized service models are now emerging and redefining the way Information technology is delivered to end users. In this paper, we propose a framework to measure and track quality delivered by a Virtualized service ...
    • A Framework for Situation-Aware Access Control in Federated Data-as-a-Service Systems Based on Query Rewriting 

      Oni, Samson; Chen, Zhiyuan; Crainiceanu, Adina; Joshi, Karuna Pande; Needham, Don (IEEE, 2020-10-19)
      Organizations often need to share mission dependent data in a secure and flexible way. Examples include contact tracing for a contagious disease such as COVID-19, maritime search and rescue operations, or creating a ...
    • Gender is Personal – Not Computational 

      Hamidi, Foad; Scheuerman, Morgan; Branham, Stacy
      Imagine walking down the street and seeing advertising screens change their content based on how you walk, how you talk, or even the shape of your chest. These screens rely on hidden cameras, microphones and computers to ...
    • Generating Digital Twin models using Knowledge Graphs for Industrial Production Lines 

      Banerjee, Agniva; Dalal, Raka; Mittal, Sudip; Joshi, Karuna Pande (ACM Publications, 2017-06-25)
      Digital Twin models are computerized clones of physical assets that can be used for in-depth analysis. Industrial production lines tend to have multiple sensors to generate near real-time status information for production. ...
    • Generating Realistic COVID19 X-rays with a Mean Teacher + Transfer Learning GAN 

      Menon, Sumeet; Galita, Joshua; Chapman, David; Gangopadhyay, Aryya; Mangalagiri, Jayalakshmi; Nguyen, Phuong; Yesha, Yaacov; Yesha, Yelena; Saboury, Babak; Morris, Michael (2020-09-26)
      COVID-19 is a novel infectious disease responsible for over 800K deaths worldwide as of August 2020. The need for rapid testing is a high priority and alternative testing strategies including X-ray image classification are ...
    • A grid-based extension to an assistive multimodal interface 

      Strain, Philip; McAllister, Graham; Murphy, Emma; Kuber, Ravi; Yu, Wai (Association for Computing Machinery, 2007-04)
      This paper describes an extension to a multimodal system designed to improve Internet accessibility for the visually impaired. Here we discuss the novel application of a grid (patent pending) to our assistive web interface. ...
    • H4Plock: Supporting Mobile User Authentication through Gestural Input and Tactile Output 

      Ali, Abdullah; Kuber, Ravi; Aviv, Adam J. (CyLab Usable Privacy and Security Laboratory, 2015-07-22)
      We have developed a novel authentication mechanism, H4Plock (pronounced “Hap-lock”), that leverages gestural input and tactile feedback to defend against casual observation attacks. Users enter up to four on-screen gestures ...
    • HappyFeet: Challenges in Building an Automated Dance Recognition and Assessment Tool 

      Faridee, Abu Zaher Md; Ramamurthy, Sreenivasan Ramasamy; Roy, Nirmalya (ACM, 2018-09)
      In this paper, we discuss our experience in building an automated dance assessment tool with IMU and IoT devices and highlight the major challenges of such an endeavor. In a typical dance classroom scenario, where the ...
    • HCI Guidelines for Gender Equity and Inclusivity 

      Scheuerman, Morgan Klaus; Spiel, Katta; Haimson, Oliver L.; Hamidi, Foad; Branham, Stacy M.
    • “Hour of Code”: A Case Study 

      Du, Jie; Wimmer, Hayden; Rada, Roy (ISCAP, 2018-02)
      This study investigates the delivery of the hour of code tutorials to students via an ethnographic study of college students. The college students who participated in this study were surveyed about their opinion of the ...
    • How accessible is the process of web interface design? 

      Norman, Kirk; Arber, Yevgeniy; Kuber, Ravi (Association for Computing Machinery, 2013-10)
      This paper describes a data gathering study, examining the experiences and day-to-day challenges faced by blind web interface developers when designing sites and online applications. Findings have revealed that considerable ...