An effective Malayalam information retrieval system using query expansion

Malayalam, a classical language in India, is spoken by over 40 million people. This paper proposes an effective information retrieval system for Malayalam, which retrieve Malayalam documents relevant to the user´s information need. The proposed system improves effectiveness by considering synonyms and negations of the terms specified in the query. Though the evaluation of the system is performed over a small corpus, the results are promising. The proposed system is thus relevant for various natural language processing tasks in an highly agglutinative language like Malayalam.