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Chowdhury, S.; Chowdhury, G.G.: Using DDC to create a visual knowledge map as an aid to online information retrieval (2004)
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Miller, D.H.: User perception and the online catalogue : public library OPAC users "think aloud" (2004)
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Yee, M.M.: Guidelines for OPAC displays : prepared for the IFLA Task Force on Guidelines for OPAC Displays (1998)
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Hearst, M.A.: Search user interfaces (2009)
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Sah, M.; Wade, V.: Personalized concept-based search on the Linked Open Data (2015)
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Rogers, Y.: New theoretical approaches for human-computer interaction (2003)
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Catarci, T.; Spaccapietra, S.: Visual information querying (2002)
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Evens, M.W.: Natural language interface for an expert system (2002)
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