Query expansion techniques for information retrieval: A survey
نویسندگان
چکیده
منابع مشابه
Query Expansion Techniques for Information Retrieval: a Survey
With the ever increasing size of web, relevant information extraction on the Internet with a query formed by a few keywords has become a big challenge. To overcome this, query expansion (QE) plays a crucial role in improving the Internet searches, where the user’s initial query is reformulated to a new query by adding new meaningful terms with similar significance. QE – as part of information r...
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Information retrieval (IR) systems utilize user feedback for generating optimal queries with respect to a particular information need. However the methods that have been developed in IR for generating these queries do not memorize information gathered from previous search processes, and hence can not use such information in new search processes. Thus a new search process can not profit from the...
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This paper presents the proposed Query Expansion (QE) techniques based on Khmer specific characteristics to improve the retrieval performance of Khmer Information Retrieval (IR) system. Four types of Khmer specific characteristics: spelling variants, synonyms, derivative words and reduplicative words have been investigated in this research. In order to evaluate the effectiveness and the efficie...
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Traditional keyword based search is found to have some limitations. Such as word sense ambiguity, and the query intent ambiguity which can hurt the precision. Semantic search uses the contextual meaning of terms in addition to the semantic matching techniques in order to overcome these limitations. This paper introduces a query expansion approach using an ontology built from Wikipedia pages in ...
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This report describes a query expansion method based on the expansion of geographical terms by means of WordNet synonyms and meronyms. We used this method for our participation to the GeoCLEF 2005 English monolingual task, while using the well-known Lucene search engine for indexing and retrieval. The obtained results show that the proposed method was not suitable for the GeoCLEF track, while W...
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ژورنال
عنوان ژورنال: Information Processing & Management
سال: 2019
ISSN: 0306-4573
DOI: 10.1016/j.ipm.2019.05.009