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Väyrynen P & Seppänen T (2003)
Using WordNet in information retrieval.
Informaatiotutkimus 2:52 - 55. (in Finnish)
One of the many problems in Information Retrieval (IR) is that the information seeker does not know exactly what he or she is searching for. When the topic of a query is common, typically expressed in one word, WordNet and its co-ordinate terms can be of help to expand the original query word into related search topics/words.
Full paper (PDF)