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By Pavel Pecina


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
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