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Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
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- Information processing and management. 36(2000) no.1, S.95-108
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Pedersen, J.O.; Silverstein, C.; Vogt, C.C.: Verity at TREC-6 : out-of-the-box and beyond (2000)
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- Information processing and management. 36(2000) no.1, S.187-196
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Kilgour, F.G.; Moran, B.B.: Surname plus recallable title word searches for known items by scholars (2000)
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- Journal of the American Society for Information Science. 51(2000) no.1, S.83-89
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Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000)
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- Cataloging and classification quarterly. 29(2000) no.4, S.73-86
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Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001)
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- Journal of the American Society for Information Science and technology. 52(2001) no.10, S.813-827