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Pors, N.O.: Information retrieval, experimental models and statistical analysis (2000)
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Eklund. P.W.: Logic-based networks : concept graphs and conceptual structures (2000)
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Thellefsen, M.; Thellefsen, T.; Soerenson, B.: ¬A pragmatic semeiotic perspective on the concept of information need and its relevance for knowledge organization (2013)
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Day, R.E.: Information explosion (2009)
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Andersen, J.: Communication technologies and the concept of knowledge organization : a medium-theory perspective (2002)
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