Document (#10018)

Author

Odini, C.

Title

¬The performance of manual indexes and online databases in information retrieval

Source

Library review. 43(1994) no.6, S.44-49

Year

1994

Abstract

Reports a comparative study carried out at Sheffield University to compare the performance of 2 manual indexes and 3 related online databases in the retrieval of records in the technological subject of: Cathodic protection of concrete structures. The manual sources were: Engineering Index and Current Technology Index; and the online databases were: COMPENDEX, NTIS and SCISEARCH. Performance was measured in terms of relative recall and prescision. While online searches showed some considerable advantages over manual searches, the manual sources showed some considerable advantages over manual searches, the manual sources still manifested some qualities which render them valuable. Emphasizes the selection of databases on the basis of a compromise between high recall and high precision, and ultimately between both of these factors and cost

Theme

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4. Hmeidi, I.; Kanaan, G.; Evens, M.: Design and implementation of automatic indexing for information retrieval with Arabic documents (1997) 0.13

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5. Munoz, A.M.; Munoz, F.A.: Nuevas areas de conocimiento y la problematica documental : la prospectiva de la paz en la Universidad de Granada (1997) 0.11

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