TRIX 2004: struggling with the overlap

Authors:
Jaana Kekäläinen;Marko Junkkari;Paavo Arvola;Timo Aalto
Affiliations:
Department of Information Studies, University of Tampere, Finland;Department of Computer Sciences, University of Tampere, Finland;Department of Computer Sciences, University of Tampere, Finland;Department of Information Studies, University of Tampere, Finland
Venue:
INEX'04 Proceedings of the Third international conference on Initiative for the Evaluation of XML Retrieval
Year:
2004

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Abstract

In this paper, we present a new XML retrieval system prototype employing structural indices and a tf * idf weighting modification. We test retrieval methods that a) emphasize the tf part in weighting and b) allow overlap in run results to different degrees. It seems that increasing the overlap percentage leads to a better performance. Emphasizing the tf part enables us to increase exhaustiveness of the returned results.