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classification_ss:"025.04 / DDC22ger"
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classification_ss:"AN 96800 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationsvermittlung, Informationsplanung / Bewertung, Effizienz, Qualität"
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theme_ss:"Internet"
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Heckner, M.: Tagging, rating, posting : studying forms of user contribution for web-based information management and information retrieval (2009)
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