Now showing items 1-20 of 21

    • A Case Study for Integrating Public Safety Data Using Semantic Technologies 

      Graves, Alvaro (2011-11-03)
      Information about public safety has become critical for government organizations, non-government organizations and citizens in general. It enables informed decisions to be made by individuals, as well as guides the creation ...
    • A Method to Rank Nodes in an RDF Graph 

      Graves, Alvaro; Adali, Sibel; Hendler, James A. (2009-10-27)
      Despite the increasing popularity of RDF as a data representation method, there is no accepted measure of the importance of nodes in an RDF graph. Such a measure could be used to sort the nodes returned by a SPARQL query ...
    • Abstracting Granular Provenance 

      Lebo, Tim; Wang, Ping; Graves, Alvaro; McGuinness, Deborah L. (2012-04-18)
      As Open Data becomes commonplace, methods are needed to integrate dis- parate data from a variety of sources. Although Linked Data design has promise for integrating world wide data, integrators often struggle to provide ...
    • Centrality-based ranking for RDF nodes 

      Graves, Alvaro; Hendler, James A.; Adali, Sibel (2008-06-11)
    • Content-Preserving Graphics 

      Lebo, Tim; Graves, Alvaro; McGuinness, Deborah L. (2013-10-01)
      Visualization is a common method used to communicate information about underlying data. It requires prudent editorializing and appropriate abstractions to produce a meaningful and compelling result. And, to be most effective, ...
    • Data representations for WordNet: A case for RDF 

      Graves, Alvaro; Gutierrez, Claudio (2006-01-01)
      This paper discusses current versions of WordNet from a data modelling perspective. We show that these versions do not consider basic data model desiderata for their design, like flexibility, extensibility and interoperability. ...
    • 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 ...
    • Field: a new meta-authoring platform for data-intensive scientific visualization 

      Fox, Peter; Kaiser, Paul; Goebel, Johannes; Hendler, James A.; Graves, Alvaro; Downie, Marc (2012-12-07)
    • Functional Requirements for Information Resource Provenance on the Web 

      McCusker, Jamie; Lebo, Tim; Graves, Alvaro; DiFranzo, Dominic; Pinheiro, Paulo; McGuinness, Deborah L. (2012-03-16)
      HTTP transactions have semantics that can be interpreted in many ways. At a low level, a physical stream of bits is transmitted from server to client. Higher up, those bits resolve into a message with a specific bit pattern. ...
    • POMELo: A PML Online Editor 

      Graves, Alvaro (2010-06-16)
      This paper introduces POMELo, a simple, web-based PML (Proof Markup Language) editor. The objective of POMELo is to allow users to create, edit, validate and export provenance information in the form of PML documents. This ...
    • 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 ...
    • Searching and ranking in RDF documents and social networks 

      Adali, Sibel; Graves, Alvaro; Mertsalov, Konstantin (2009-01-01)
    • A study on the use of visualizations for Open Government Data 

      Graves, Alvaro; Hendler, James A. (IOS Press, 2014)
      In the last years, many government organizations have implemented Open Government Data (OGD) initiatives. The data published describe a broad set of areas, including environment, budget and education among others. While ...
    • 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, ...
    • Towards Unified Provenance Granularities 

      Lebo, Tim; Wang, Ping; Graves, Alvaro; McGuinness, Deborah L. (2012-06-27)
      As Open Data becomes commonplace, methods are needed to integrate disparate data from a variety of sources. Although Linked Data design has promise for integrating world wide data, integrators of- ten struggle to provide ...
    • 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 ...