Finnish national ontologies for the semantic web: towards a content and service infrastructure

  • Authors:

  • Eero Hyvönen;Arttu Valo;Ville Komulainen;Katri Seppälä;Tomi Kauppinen;Tuukka Ruotsalo;Mirva Salminen;Anu Ylisalmi

  • Affiliations:

  • Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland;Helsinki University of Technology and University of Helsinki, TKK, Finland

  • Venue:
  • DCMI '05 Proceedings of the 2005 international conference on Dublin Core and metadata applications: vocabularies in practice
  • Year:
  • 2005

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Abstract

We present a national ontology development and service framework being developed in Finland in 2003-2007. The framework is based on a set of related core ontologies, most notably on a national upper ontology based on the commonly used Finnish General Thesaurus YSA maintained by the National Library of Finland. The framework implements three ontology services by a web-based system ONKI. Firstly, ONKI supports distributed collaborative development and versioning of interdependent ontologies. Secondly, external cataloging and indexing systems can use ONKI as a web service for ontology-based annotations. Thirdly, information retrieval systems can use ONKI for disambiguating keyword meanings for concept-based search on the Semantic Web.