Browsing by Author "Li, Xian"

Now showing items 1-12 of 12

    • Characterize Investor Attention on the Social Web 

      Li, Xian; Hendler, James A. (2013-09-20)
      We study the allocation problem of investor attention, the scarce and important economic resource in the information era, through practitioners' tweeting behaviors. We develop formalisms of "cognitive niches", interplays ...

    • Data-gov Wiki: Towards Linking Government Data 

      Ding, Li; DiFranzo, Dominic; Graves, Alvaro; Michaelis, James; Li, Xian; McGuinness, Deborah L.; Hendler, James A. (2010-03-24)
      Data.gov is a website that provides US Government data to the general public to ensure better accountability and trans- parency. Our recent work on the Data-gov Wiki, which at- tempts to integrate the datasets published ...

    • Data-govWiki: Towards Linking Government Data 

      Ding, Li; DiFranzo, Dominic; Graves, Alvaro; Michaelis, James; Li, Xian; McGuinness, Deborah L.; Hendler, James A. (2010-03-22)
      Data.gov is a website that provides US Government data to the general public to ensure better accountability and transparency. Our recent work on the Data-gov Wiki, which attempts to integrate the datasets published at ...

    • Dynamics of investor attention on the social web 

      Li, Xian (Rensselaer Polytechnic Institute, Troy, NY, 2013-12)
      Leveraging statistical analysis of "Big Data" relevant to real investors, this dissertation investigates micro-structures, temporal dynamics, and market impacts of investors' selective attention. We construct a novel and ...

    • Fundamental Analysis Powered by Semantic Web 

      Li, Xian; Bao, Jie; Hendler, James A. (2011-04-15)
      Conducting fundamental analysis within subsets of comparable firms has been demonstrated to provide more reliable inferences and increase the prediction quality in equity research. However, incorporating and representing ...

    • Producing and Using Linked Open Government Data in the TWC LOGD Portal 

      Lebo, Tim; Erickson, John S.; Graves, Alvaro; Williams, Gregory; DiFranzo, Dominic; Li, Xian; Michaelis, James; Zheng, Jin; Flores, Johanna; Shangguan, Zhenning; McGuinness, Deborah L.; Hendler, James A. (2011-11-04)
      As open government initiatives around the world pub- lish an increasing number of raw datasets, citizens and communities face daunting challenges when organiz- ing, understanding, and associating disparate data re- lated ...

    • Provenance-Based Strategies to Develop Trust in Semantic Web Applications 

      Li, Xian; Lebo, Tim; McGuinness, Deborah L. (2010-01-01)
      Linked data and Semantic Web technologies enable people to navigate across heterogeneous sources of data thus making it easier for them to explore and develop multiple perspectives for use in making decisions and solving ...

    • Study Supreme Court Decision Making with Linked Data 

      Li, Xian; Ding, Li; Hendler, James A. (2010-04-27)
      Current social science researchers depend heavily on data to perform analytical studies. The multitude of problems studied by researchers today is so pervasive that it is difficult for scholars to collect needed information ...

    • The Web is My Back-end: Creating Mashups with Linked Open Government Data 

      DiFranzo, Dominic; Graves, Alvaro; Erickson, John S.; Ding, Li; Michaelis, James; Lebo, Tim; Patton, Evan; Williams, Gregory; Li, Xian; Zheng, Jin; Flores, Johanna; McGuinness, Deborah L.; Hendler, James A. (Linking Government Data, 2011-01-01)
      Governments around the world have been releasing raw data to their citizens at an increased pace. The mixing and linking of these government datasets enhances their value and makes new insights possible. The use of mashups, ...

    • TWC data-gov corpus: incrementally generating linked government data from data.gov 

      Ding, Li; DiFranzo, Dominic; Graves, Alvaro; Michaelis, James; Li, Xian; McGuinness, Deborah L.; Hendler, James A. (2010-04-30)
      The Open Government Directive is making US government data available via websites such as Data.gov for public access. In this paper, we present a Semantic Web based approach that incrementally generates Linked Government ...

    • TWC LOGD: A Portal for Linked Open Government Data Ecosystems 

      Ding, Li; Lebo, Tim; Erickson, John S.; DiFranzo, Dominic; Williams, Gregory; Li, Xian; Michaelis, James; Graves, Alvaro; Zheng, Jin; Flores, Johanna; McGuinness, Deborah L.; Hendler, James A. (Journal of Web Semantics, 2011-06-22)
      International open government initiatives are releasing an increasing volume of raw government datasets directly to citizens via the Web. The transparency resulting from these releases creates new application opportunities ...

    • TWC LOGD: A Portal for Linking Open Government Data 

      DiFranzo, Dominic; Ding, Li; Erickson, John S.; Li, Xian; Lebo, Tim; Michaelis, James; Graves, Alvaro; Williams, Gregory; Zheng, Jin; Flores, Johanna; Gervasio, Gino; McGuinness, Deborah L.; Hendler, James A. (2010-11-11)
      International open government initiatives are releasing an increasing number of “raw” government datasets directly to citizens via the Web, creating new opportunities but imposing burdens inherent to the problems of ...