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Kelly, D.: Implicit feedback : using behavior to infer relevance (2005)
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Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998)
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Olson, T.A.: Utility of a faceted catalogue for scholarly research (2007)
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Spink, A.: Term relevance feedback and mediated database searching : implications for information retrieval practice and systems design (1995)
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Ruthven, T.; Lalmas, M.; Rijsbergen, K.van: Incorporating user research behavior into relevance feedback (2003)
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