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Saracevic, Tefko – 1968
This experiment used five index languages to form nine different index files to the same collection of documents. Each index term, in each language, was treated in two ways: as an independent English term, and as a coded entry in a faceted-type thesaurus which specified relationships between terms. The performance effect of the thesaurus was then…
Descriptors: Evaluation, Indexes, Indexing, Information Retrieval
Spink, Amanda; Saracevic, Tefko – Proceedings of the ASIS Annual Meeting, 1992
This report, selected from the results of a larger study of online searching, focuses on the sources of search terms. Terms from users, professional intermediaries, thesauri, and relevance feedback are examined; and the relevance of retrieved items is discussed for each source of search terms as well as for combinations of sources. (12 references)…
Descriptors: Feedback, Interviews, Man Machine Systems, Online Searching
