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By Pavel Pecina

Abstract

In this paper we describe retrieval experiments performed at Charles University in Prague for participation in the CLEF 2007 Ad-Hoc track. We focused on the Czech monolingual task and used the LEMUR toolkit as the retrieval system. Our results demonstrate that for Czech as a highly inflectional language, lemmatization significantly improves retrieval results and manually created queries are only slightly better than queries automatically generated from topic specifications

Topics: Terms Measurement, Performance, Experimentation Keywords Ad-Hoc Retrieval
Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.133.9558
Provided by: CiteSeerX
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