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King, B.E.; Reinold, K.: Finding the concept, not just the word : a librarian's guide to ontologies and semantics (2008)
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Choi, Y.: ¬A complete assessment of tagging quality : a consolidated methodology (2015)
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Gray, A.J.G.; Gray, N.; Hall, C.W.; Ounis, I.: Finding the right term : retrieving and exploring semantic concepts in astronomical vocabularies (2010)
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Heckner, M.; Mühlbacher, S.; Wolff, C.: Tagging tagging : a classification model for user keywords in scientific bibliography management systems (2007)
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