A survey of statistical approaches for query expansion
Sign Up to like & getrecommendations! Published in 2018 at "Knowledge and Information Systems"
DOI: 10.1007/s10115-018-1269-8
Abstract: A major issue in effective information retrieval is the problem of vocabulary mismatches. The method called query expansion addresses this issue by reformulating each search query with additional terms that better define the information needs… read more here.
Keywords: query expansion; information; expansion; approaches query ... See more keywords
A contemporary combined approach for query expansion
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DOI: 10.1007/s11042-020-09172-2
Abstract: The use of an automatic query expansion technique is to enhance the performance of the Information Retrieval System. Selecting the candidate terms for query expansion is an essential task to make query more precise to extract… read more here.
Keywords: combined approach; contemporary combined; query expansion; approach query ... See more keywords
A Hybrid Text Generation-Based Query Expansion Method for Open-Domain Question Answering
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DOI: 10.3390/fi15050180
Abstract: In the two-stage open-domain question answering (OpenQA) systems, the retriever identifies a subset of relevant passages, which the reader then uses to extract or generate answers. However, the performance of OpenQA systems is often hindered… read more here.
Keywords: query expansion; open domain; expansion; domain question ... See more keywords