Information retrieval using conceptual index terms for technical papers in a digital library
Identifieur interne : 001B27 ( Main/Exploration ); précédent : 001B26; suivant : 001B28Information retrieval using conceptual index terms for technical papers in a digital library
Auteurs : Chinatsu Horii [Japon] ; Masakazu Imai [Japon] ; Kunihiro Chihara [Japon]Source :
- Systems and Computers in Japan [ 0882-1666 ] ; 2001-07.
English descriptors
Abstract
In a conventional library the librarian eliminates individual differences in concepts in queries and maintains the reliability of information. In a digital library, however, the goal is to not involve people, and so queries which eliminate precision problems in query results are in demand as a replacement for the librarian. In current retrieval systems, precision is improved by using a hierarchical method such as synonym notation processing. In methods based on word systems, processing to handle the inadequate expression of the intention of a query or the semantic interpretation of a query are insufficient, and information retrieval from a more hierarchical perspective is needed. In this paper the authors propose a retrieval method using a hierarchical perspective based on a system of concepts, and not a retrieval method based on conventional word systems. By adopting the EDR electronic dictionary as a thesaurus and using concept information, queries and words which appear in papers are not processed merely as character strings, but are used in queries with consideration for the meaning of the words. The authors' method can estimate imprecise information in the intentions of queries and the meaning hidden in words, allowing for appropriate query results to be provided to users without the cooperation of a librarian. © 2001 Scripta Technica, Syst Comp Jpn, 32(8): 40–52, 2001
Url:
DOI: 10.1002/scj.1047
Affiliations:
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In a digital library, however, the goal is to not involve people, and so queries which eliminate precision problems in query results are in demand as a replacement for the librarian. In current retrieval systems, precision is improved by using a hierarchical method such as synonym notation processing. In methods based on word systems, processing to handle the inadequate expression of the intention of a query or the semantic interpretation of a query are insufficient, and information retrieval from a more hierarchical perspective is needed. In this paper the authors propose a retrieval method using a hierarchical perspective based on a system of concepts, and not a retrieval method based on conventional word systems. By adopting the EDR electronic dictionary as a thesaurus and using concept information, queries and words which appear in papers are not processed merely as character strings, but are used in queries with consideration for the meaning of the words. The authors' method can estimate imprecise information in the intentions of queries and the meaning hidden in words, allowing for appropriate query results to be provided to users without the cooperation of a librarian. © 2001 Scripta Technica, Syst Comp Jpn, 32(8): 40–52, 2001</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Horii, Chinatsu" sort="Horii, Chinatsu" uniqKey="Horii C" first="Chinatsu" last="Horii">Chinatsu Horii</name></noRegion><name sortKey="Chihara, Kunihiro" sort="Chihara, Kunihiro" uniqKey="Chihara K" first="Kunihiro" last="Chihara">Kunihiro Chihara</name><name sortKey="Imai, Masakazu" sort="Imai, Masakazu" uniqKey="Imai M" first="Masakazu" last="Imai">Masakazu Imai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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