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Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
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Ziegler, C.: Deus ex Machina : Das Web soll lernen, sich und uns zu verstehen (2002)
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Khan, M.S.; Khor, S.: Enhanced Web document retrieval using automatic query expansion (2004)
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Menczer, F.: Lexical and semantic clustering by Web links (2004)
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