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Quote: study showed improved recall with variant forms, synonyms, and hierarchical thesaurus
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Topic:
information retrieval with an index
Topic:
thesaurus and information retrieval
Quotation Skeleton
Another study [of Grolier's Electronic Encyclopedia] simulated the effects of adding … Three levels of vocabulary control were tested: morphological … hierarchical thesaurus that included broader, narrower, and related … and precision … All levels of control improved recall, but only … Google-1 Google-2
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Topic: information retrieval with an index (32 items)
Topic: thesaurus and information retrieval (29 items)