Modeling and Querying Structure and Contents of the Web

  • Authors:
  • Wolfgang May

  • Affiliations:
  • -

  • Venue:
  • DEXA '99 Proceedings of the 10th International Workshop on Database & Expert Systems Applications
  • Year:
  • 1999

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Abstract

For accessing and processing the information provided on the Web, there is a need for extarction, restructuring, and integration of semistructured data from autonomous, heterogeneous sources. In this paper, we regard the Web and its contents as a unit, represented in an object-oriented data model: the Web structure (inter-document level), given by its hyperlinks, the parse-trees of Web pages (intra-document level), and their contents. The model is complemented by a rule-based object-oriented language which is extended by Web access capabilities and allows for and navigation in the unified model. We show the practicability of our approach by using the FLORID system.