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Griesbaum, J.: Evaluierung hybrider Suchsysteme im WWW (2000)
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Guggenheim, E.; Bar-Ilan, E.: Tauglichkeit von Suchmaschinen für deutschsprachige Abfragen (2005)
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Lewandowski, D.: Web Information Retrieval (2005)
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Geißelmann, F. (Hrsg.): Sacherschließung in Online-Katalogen (1994)
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Spree, U.; Feißt, N.; Lühr, A.; Piesztal, B.; Schroeder, N.; Wollschläger, P.: Semantic search : State-of-the-Art-Überblick zu semantischen Suchlösungen im WWW (2011)
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