An Ontology Based-Approach for Semantic Search in Portals

  • Authors:
  • Wallace Anacleto Pinheiro;Ana Maria de C. Moura

  • Affiliations:
  • Military Institute of Engineering - IME/RJ, Brazil;Military Institute of Engineering - IME/RJ, Brazil

  • Venue:
  • DEXA '04 Proceedings of the Database and Expert Systems Applications, 15th International Workshop
  • Year:
  • 2004

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Abstract

Portals have become very popular on the internet. They allow users to access many online transactions and customized information. More recently, semantic portals emerged as a natural extension of traditional portals and they have been attracting researchers and enterprise attention as a new way to provide information. This paper covers these issues and shows how ontologies can improve results relevance in one of the most important component of a portal: the search mechanism. It describes a search tool developed in the context of a semantic portal named PASS (Portal with Access to Semantic Search). This tool uses components of domain ontologies stored in the portal to expand terms during the search process.