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Kwok, K.L.; Grunfeld, L.: TREC-4 ad-hoc, routing retrieval and filtering experiments using PIRCS (1996)
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Kwok, K.L.; Grunfeld, L.: TREC-5 English and Chinese retrieval experiments using PIRCS (1997)
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Kwok, K.L.: Employing multiple representations for Chinese information retrieval (1999)
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Kwok, K.L.: ¬A network approach to probabilistic information retrieval (1995)
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