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Shafique, M.; Chaudhry, A.S.: Intelligent agent-based online information retrieval (1995)
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Fidel, R.; Crandall, M.: ¬The role of subject access in information filtering (1998)
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White, H.D.: Relevance in theory (2009)
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Vakkari, P.; Sormunen, E.: ¬The influence of relevance levels an the effectiveness of interactive information retrieval (2004)
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Kousha, K.; Thelwall, M.: Patent citation analysis with Google (2017)
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