Fast and effective query refinement
Proceedings of the 20th annual international ACM SIGIR conference on Research and development in information retrieval
Query clustering using user logs
ACM Transactions on Information Systems (TOIS)
Modern Information Retrieval
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This paper describes a software tool, based on natural language processing (NLP), which compares and identifies similar queries formulated in natural language (portuguese). This tool is applied on Educational environments in order to fetch student's queries which has been already answered. If a similar query with an answer is found, it is presented to the user. This tool has been developed applying different NLP resources and techniques, such as: Query expansion, Grammar rules of the Portuguese language, and Thesaurus Relevance.