RDF123: From Spreadsheets to RDF

  • Authors:
  • Lushan Han;Tim Finin;Cynthia Parr;Joel Sachs;Anupam Joshi

  • Affiliations:
  • University of Maryland, USA;University of Maryland, USA;University of Maryland, College Park, USA;University of Maryland, USA;University of Maryland, USA

  • Venue:
  • ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
  • Year:
  • 2008

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Abstract

We describe RDF123, a highly flexible open-source tool for translating spreadsheet data to RDF. Existing spreadsheet-to-rdf tools typically map only to star-shaped RDF graphs, i.e. each spreadsheet row is an instance, with each column representing a property. RDF123, on the other hand, allows users to define mappings to arbitrary graphs, thus allowing much richer spreadsheet semantics to be expressed. Further, each row in the spreadsheet can be mapped with a fairly different RDF scheme. Two interfaces are available. The first is a graphical application that allows users to create their mapping in an intuitive manner. The second is a Web service that takes as input a URL to a Google spreadsheet or CSV file and an RDF123 map, and provides RDF as output.