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Morville, P.: Ambient findability : what we find changes who we become (2005)
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Hüsken, P.: Informationssuche im Semantic Web : Methoden des Information Retrieval für die Wissensrepräsentation (2006)
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Dominich, S.: Mathematical foundations of information retrieval (2001)
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TREC: experiment and evaluation in information retrieval (2005)
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