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Taghva, K.; Borsack, J.; Nartker, T.; Condit, A.: ¬The role of manually-assigned keywords in query expansion (2004)
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Wu, Y.-f.B.; Li, Q.; Bot, R.S.; Chen, X.: Finding nuggets in documents : a machine learning approach (2006)
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Strader, C.R.: Author-assigned keywords versus Library of Congress Subject Headings : implications for the cataloging of electronic theses and dissertations (2009)
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White, H.; Willis, C.; Greenberg, J.: HIVEing : the effect of a semantic web technology on inter-indexer consistency (2014)
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Ostermann, F.O.; Tomko, M.; Purves, R.: User evaluation of automatically generated keywords and toponyms for geo-referenced images (2013)
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