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Croft, W.B.: Combining approaches to information retrieval (2000)
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Song, D.; Bruza, P.D.: Towards context sensitive information inference (2003)
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Bodoff, D.; Robertson, S.: ¬A new unified probabilistic model (2004)
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Wu, H.C.; Luk, R.W.P.; Wong, K.F,; Kwok, K.L.: ¬A retrospective study of a hybrid document-context based retrieval model (2007)
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