Lemmatization and stopword elimination in Greek web searching

Authors:
Fotis Lazarinis
Affiliations:
Technological Educational Institute, Mesolonghi, Greece
Venue:
EATIS '07 Proceedings of the 2007 Euro American conference on Telematics and information systems
Year:
2007

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Abstract

This paper explores the effect of noun lemmatization and stopword removal in Greek Web searching. A light lemmatizer is presented and applied in a retrieval experiment. Stopwords are removed from user queries. In both experiments an increase in precision is reported. The main purpose of our work is to adapt and apply some "ancient" information retrieval techniques in non Latin queries and measure their effect in the retrieval of relevant documents.