Information Retrieval Systems. Revision of Thesaurus for Medical and Health Related Terms.
نویسندگان
چکیده
منابع مشابه
Information Retrieval and the Thesaurus
Introduction This paper describes various developments of the retrieval system devised in Cambridge last year, which we described in a paper 'The Thesaurus Approach to Information Retrieval' (Amer. Doc. 1958). These are in part concerned with mechanically setting up the system, and in part with the interesting possibilities of achieving better retrieval by having more flexible search procedures...
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InfoLab at the University of Delaware participated in the TREC 2012 Medical Records Track. This paper explains our method and describes experiment results. One limitation of existing keyword matching based retrieval functions is the problem of vocabulary mismatch. To overcome this limitation, we propose to first map topics and visits to bags of concepts using domain thesaurus, and then model th...
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Information retrieval systems that support searching of large textual databases are typically accessed by trained search intermediaries who provide assistance to end users in bridging the gap between the languages of authors and inquirers. We are building a thesaurus in the form of a large semantic network .to support interactive query expansion and search by end users. Our lexicon is being bui...
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The Thesaurus, in information retrieval, represents one of the cardinal points of a system, since neither indexing quality nor retrieval strategy sophistication are able to remedy deficiencies of the Thesaurus used. In principle, the Thesaurus is a collection of concepts which are more or less important for the subject field of the document collection. Usually the mere list of the terms represe...
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1. Background Accuracy in information retrieval, that is, achieving both high recall and precision, is challenging because the relationship between natural language and semantic conceptual structure is not straightforward. However, effective retrieval requires that the semantic conceptual structure (or content) of both queries and documents be known. Natural language processing is one way to
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ژورنال
عنوان ژورنال: Igaku Toshokan
سال: 1999
ISSN: 0445-2429,1884-5622
DOI: 10.7142/igakutoshokan.46.49