CREAM: creating relational metadata with a component-based, ontology-driven annotation framework

  • Authors:

  • Siegfried Handschuh;Steffen Staab;Alexander Maedche

  • Affiliations:

  • University of Karlsruhe, Karlsruhe, Germany;University of Karlsruhe, Karlsruhe, Germany;FZI Research Center for Information Technologies, Karlsruhe, Germany

  • Venue:
  • Proceedings of the 1st international conference on Knowledge capture
  • Year:
  • 2001

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Abstract

Richly interlinked, machine-understandable data constitutes the basis for the Semantic Web. Annotating web documents is one of the major techniques for creating metadata on the Web. However, annotation tools so far are restricted in their capabilities of providing richly interlinked and truely machine-understandable data. They basically allow the user to annotate with plain text according to a template structure, such as Dublin Core. We here present CREAM (Creating RElational, Annotation-based Metadata), a framework for an annotation environment that allows to construct relational metadata, i.e. metadata that comprises class instances and relationship instances. These instances are not based on a fix structure, but on a domain ontology. We discuss some of the requirements one has to meet when developing such a framework, e.g. the integration of a metadata crawler, inference services, document management and information extraction, and describe its implementation, viz. Ont-O-Mat a component-based, ontology-driven annotation tool.