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Hogan, A.; Harth, A.; Umbrich, J.; Kinsella, S.; Polleres, A.; Decker, S.: Searching and browsing Linked Data with SWSE : the Semantic Web Search Engine (2011)
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Van der Walt, M.: South African search engines, directories and portals : a survey and evaluation (2000)
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Grossman, D.A.; Frieder, O.: Information retrieval : algorithms and heuristics (2004)
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Jepsen, E.T.; Seiden, P.; Ingwersen, P.; Björneborn, L.; Borlund, P.: Characteristics of scientific Web publications : preliminary data gathering and analysis (2004)
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Lewandowski, D.: ¬The retrieval effectiveness of web search engines : considering results descriptions (2008)
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