-
Blair, D.C.; Maron, M.E.: Full-text information retrieval : further analysis and clarification (1990)
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- Information processing and management. 26(1990), S.437-447
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Blair, D.C.: Some thoughts on the reported results of TREC (2002)
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- Information processing and management. 38(2002) no.3, S.445-451
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Blair, D.C.: STAIRS Redux : thoughts on the STAIRS evaluation, ten years after (1996)
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- Journal of the American Society for Information Science. 47(1996) no.1, S.4-22