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Improving the Effectiveness of Answering Keyword Queries Using Effective Subsets Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_projects/kd17d0597

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  • Most database users do not know formal query languages, such as SQL, and prefer to express their information needs using usable query languages, such as keyword queries. Keyword queries, however, are inherently ambiguous and challenging for the database systems to understand and answer effectively. We propose a novel approach to improving the effectiveness of answering keyword queries by processing. them over subsets of the database, called effective subsets. Effective subsets contain only the most promising candidate answers for these queries. We have shown that our method significantly improves the effectiveness of answering keyword queries using extensive empirical study.
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