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An approach for ontology-enhanced query refinement in information portals

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1 Author(s)
Stojanovic, Nenad ; Inst. fur Angewandte Inf. und Formale Beschreibungsverfahren, Karlsruhe Univ., Germany

We present an approach that uses domain knowledge in order to support of queries posted to an information portal. This approach enables a user to navigate through the information content incrementally and interactively. In each refinement step a user is provided with a complete but minimal set of refinements, which enables him to develop/express his information need in a step-by-step fashion. In a case study regarding searching a bibliographic database we demonstrate the benefits of using our approach in the traditional information retrieval tasks, especially the combination of the free-text based querying and the ontology-based query refinement.

Published in:

Tools with Artificial Intelligence, 2004. ICTAI 2004. 16th IEEE International Conference on

Date of Conference:

15-17 Nov. 2004