-
Shaw, R.J.; Willett, P.: On the non-random nature of nearest-neighbour document clusters (1993)
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- Information processing and management. 29(1993) no.4, S.449-452
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Willett, P.: Best-match text retrieval (1993)
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- Library and information briefings. 1993, no.49, S.1-11
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Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (1994)
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- Online and CD-ROM review. 18(1994) no.1, S.3-12
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Ingwersen, P.; Willett, P.: ¬An introduction to algorithmic and cognitive approaches for information retrieval (1995)
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- 1. 7.1996 21:32:07
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Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998)
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- Journal of documentation. 54(1998) no.1, S.48-69