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    Using Combination of Evidence for Term Expansion

    19th Annual BCS-IRSG Colloquium on IR

    Aberdeen, UK. 8th - 9th April 1997

    AUTHORS

    R. Wilkinson

    ABSTRACT

    Expanding a user query automatically with terms taken from documents that are most similar to the query is a reliable way of finding more relevant documents.

    To date most approaches to this problem have focused on modifying the query.

    In this paper we argue that it is useful to create a new query from similar documents, rank both the user query and the new query, and combine the evidence.

    We show that there are both theoretic and practical advantages in this process.

    PAPER FORMATS

    PDF filePDF Version of this Paper (169kb)