Learning Better Context Characterizations: An Intelligent Information Retrieval Approach

Details Learning Better Context Characterizations: An Intelligent Information Retrieval Approach Learning Better Context Characterizations: An Intelligent Information Retrieval Approach

2010-04-20

arxiv.org/abs/1004.3478v2

XXXIV Conferencia Latinoamericana de Inform\'{a}tica, pp. 200-209, 2008

Computer Science

Information Retrieval

10 pages, 3 figures, CLEI 2008

Scientific paper

This paper proposes an incremental method that can be used by an intelligent system to learn better descriptions of a thematic context. The method starts with a small number of terms selected from a simple description of the topic under analysis and uses this description as the initial search context. Using these terms, a set of queries are built and submitted to a search engine. New documents and terms are used to refine the learned vocabulary. Evaluations performed on a large number of topics indicate that the learned vocabulary is much more effective than the original one at the time of constructing queries to retrieve relevant material.

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