Abstract:Query is one of the most important factors that can directly influence the results of information retrieval (IR). However, the query is defined by the user and thus inevitably has the following two problems: (1) the user often cannot exactly represent their search intention via query terms; (2) the user cannot effectively select the weight of each query term based on its importance toward the query's meaning. The above two problems cause the two types of uncertainty of a query. In this paper, we define them as… Show more
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