Structuring Domain-Specific Text Archives by Deriving a Probabilistic XML DTD

  • Authors:
  • Karsten Winkler;Myra Spiliopoulou

  • Affiliations:
  • -;-

  • Venue:
  • PKDD '02 Proceedings of the 6th European Conference on Principles of Data Mining and Knowledge Discovery
  • Year:
  • 2002

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Abstract

Domain-specific documents often share an inherent, though undocumented structure. This structure should be made explicit to facilitate efficient, structure-based search in archives as well as information integration. Inferring a semantically structured XML DTD for an archive and subsequently transforming its texts into XML documents is a promising method to reach these objectives. Based on the KDD-driven DIAs-DEM framework, we propose a new method to derive an archive-specific structured XML document type definition (DTD). Our approach utilizes association rule discovery and sequence mining techniques to structure a previously derived flat, i.e. unstructured DTD. We introduce the notion of a probabilistic DTD that is derived by discovering associations among and frequent sequences of XML tags, respectively.