Now showing items 1-4 of 4

    • Evaluating Cost of Cloud Execution in a Data Repository 

      Xie, Zhiwu; Chen, Yinlin; Speer, Julie; Walters, Tyler (ACM, 2016-06)
      In this paper, we utilize a set of controlled experiments to benchmark the cost associated with the cloud execution of typical repository functions such as ingestion, fixity checking, and heavy data processing. We focus ...
    • The Insitutional Repository's Role in Preserving Research Data 

      Xie, Zhiwu; McMillan, Gail; Walters, Tyler (Virginia Tech, 2012-07-25)
      In recent years, many funding agencies have started to require long-term preservation and open access to research data. While most research universities have already run their own institutional repositories (IR), it's not ...
    • On-Demand Big Data Analysis in Digital Repositories 

      Xie, Zhiwu; Chen, Yinlin; Jiang, Tingting; Speer, Julie; Walters, Tyler; Tarazaga, Pablo A.; Kasarda, Mary (Springer International Publishing, 2015-12-18)
      We describe a use and reuse driven digital repository integrated with lightweight data analysis capabilities provided by the Docker framework. Using building sensor data collected from the Virginia Tech Goodwin Hall Living ...
    • Towards Use And Reuse Driven Big Data Management 

      Xie, Zhiwu; Chen, Yinlin; Speer, Julie; Walters, Tyler; Tarazaga, Pablo A.; Kasarda, Mary (2015-06-03)
      We propose a use and reuse driven big data management approach that fuses the data repository and data processing capabilities in a co-located, public cloud. It answers to the urgent data management needs from the growing ...