Improving search on WWW.HR web directory by introducing ontologies

Authors:
Gordan Gledec;Maja Matijašević;Damir Jurić
Affiliations:
Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia;Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia;Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia
Venue:
KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part II
Year:
2005

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Abstract

In this paper we propose ontology-based improvement of the Croatian Web directory search mechanism, which is currently not capable of executing queries that take into account the structure and semantics of user's query. The proposed approach is verified by introducing an ontology in the domain (directory category) of “tourism”. We address three problems related to the search mechanism: low recall, high recall and low precision and vocabulary mismatch. The results show significant improvements in terms of subjective relevance and quality of results.