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Harper, D.J.: Relevance feedback in document retrieval (1980) 0.11

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Croft, W.B.; Harper, D.J.: Using probabilistic models of document retrieval without relevance information (1979) 0.04

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Hendry, D.G.; Harper, D.J.: Coordinating information-seeking on interactive displays : a study in retrieval modelling and image indexing (1995) 0.04

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Jose, J.M.; Harper, D.J.: ¬An integrated approach to image retrieval (1995) 0.04

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Hendry, D.G.; Harper, D.J.: ¬An informal information-seeking environment (1997) 0.04

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Muresan, G.; Harper, D.J.: Topic modeling for mediated access to very large document collections (2004) 0.03

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Kelly, D.; Harper, D.J.; Landau, B.: Questionnaire mode effects in interactive information retrieval experiments (2008) 0.03

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