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Stuckenschmidt, H.; Harmelen, F. van: Information sharing on the semantic web (2005)
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Stuckenschmidt, H.: Ontologien : Konzepte, Technologien und Anwendungen (2009)
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Grill, E.: Relationale Datenbanken; vom logischen Konzept zur physischen Realisierung : Ziele, Methoden, Fallstudie (1990)
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Croft, W.B.; Metzler, D.; Strohman, T.: Search engines : information retrieval in practice (2010)
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