Health Info Libr J - Assessment of indexing trends with specific and general terms for herbal medicine.

Tópicos

{ search(2224) databas(1162) retriev(909) }
{ data(1737) use(1416) pattern(1282) }
{ take(945) account(800) differ(722) }
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{ age(1611) year(1155) adult(843) }
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{ group(2977) signific(1463) compar(1072) }
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{ health(1844) social(1437) communiti(874) }
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{ detect(2391) sensit(1101) algorithm(908) }

Resumo

CKGROUND: Concepts for medicinal plants are represented by a variety of associated general terms with specific indexing patterns in databases, which may not consistently reflect growth of records.OBJECTIVES: The objectives of this study are to assess the development in databases by identifying general terms that describe herbal medicine with optimal retrieval recall and to identify possible special trends in co-occurrence of specific and general concepts.METHODS: Different search strategies are tested in cab abstracts, medline and web of science. Specific terms (Origanum and Salvia) are employed. Relevant general terms (e.g. 'Plants, Medicinal', Phytotherapy, Herbal drugs) are identified, along with indexing trends and co-occurrences.RESULTS: Growth trends, in specific (narrower) terms, are similar among databases. General terms, however, exhibit dissimilar trends, sometimes almost opposing one another. Co-occurrence of specific and general terms is changing over time.CONCLUSIONS: General terms may not denote definite development of trends as the use of terms differs amongst databases, making it difficult to correctly assess possible numbers of relevant records. Perceived increase can, sometimes, be attributed to an increased occurrence of a more general term alongside the specific one. Thesaurus-controlled databases may yield more hits, because of 'up-posted' (broader) terms. Use of broader terms is helpful as it enhances retrieval of relevant documents.

Resumo Limpo

ckground concept medicin plant repres varieti associ general term specif index pattern databas may consist reflect growth recordsobject object studi assess develop databas identifi general term describ herbal medicin optim retriev recal identifi possibl special trend cooccurr specif general conceptsmethod differ search strategi test cab abstract medlin web scienc specif term origanum salvia employ relev general term eg plant medicin phytotherapi herbal drug identifi along index trend cooccurrencesresult growth trend specif narrow term similar among databas general term howev exhibit dissimilar trend sometim almost oppos one anoth cooccurr specif general term chang timeconclus general term may denot definit develop trend use term differ amongst databas make difficult correct assess possibl number relev record perceiv increas can sometim attribut increas occurr general term alongsid specif one thesauruscontrol databas may yield hit uppost broader term use broader term help enhanc retriev relev document

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