Document Detail

Descriptor and citation retrieval in the medical behavioral sciences literature: retrieval overlaps and novelty distribution.
MedLine Citation:
PMID:  10303299     Owner:  NLM     Status:  MEDLINE    
Search results for nine topics in the Medical Behavioral Sciences are reanalyzed to compare the overall performance of descriptor and citation search strategies in identifying relevant and novel documents. Overlap percentages between an aggregate "descriptor-based" database (MEDLINE, EXCERPTA MEDICA, PSYCINFO) and an aggregate "citation-based" database (SCISEARCH, SOCIAL SCISEARCH) ranged from 1% to 26%, with a median overlap of 8% relevant retrievals found using both search strategies. For seven topics in which both descriptor and citation strategies produced reasonably substantial retrievals, two patterns of search performance and novelty distribution were observed: 1) Where descriptor and citation retrieval showed little overlap, novelty retrieval percentages differed by 17-23% between the two strategies; 2) Topics with a relatively high percentage retrieval overlap showed little difference (1-4%) in descriptor and citation novelty retrieval percentages. These results reflect the varying partial congruence of two literature networks and represent two different types of subject relevance.
K W McCain
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of the American Society for Information Science. American Society for Information Science     Volume:  40     ISSN:  0002-8231     ISO Abbreviation:  J Am Soc Inf Sci     Publication Date:  1989 Mar 
Date Detail:
Created Date:  1989-05-03     Completed Date:  1989-05-03     Revised Date:  2008-03-03    
Medline Journal Info:
Nlm Unique ID:  0232761     Medline TA:  J Am Soc Inf Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  110-4     Citation Subset:  H    
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MeSH Terms
Abstracting and Indexing as Topic
Evaluation Studies as Topic
Information Systems / standards*
MEDLARS / standards*
National Library of Medicine (U.S.)
Statistics as Topic
United States
Grant Support
N01-LM-2-3510/LM/NLM NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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