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Erlhofer, S.: Suchmaschinen-Optimierung für Webentwickler : Grundlagen, Ranking optimieren, Tipps und Tricks; Neu: Keyword-Recherche, TYPO3-Optimierung, Usability (2006)
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Quirmbach, S.M.: Suchmaschinen : User Experience, Usability und nutzerzentrierte Website-Gestaltung (2012)
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Hitzler, P.; Krötzsch, M.; Rudolph, S.: Foundations of Semantic Web technologies (2010)
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