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Schweikhardt, F.: Some thoughts on hybrid systems especially for patent documentation (1989)
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Somers, H.L.: Observations on standards and guidelines concerning thesaurus construction (1981)
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Dahlberg, I: ¬A systematic new lexicon of all knowledge fields based on the Information Coding Classification (2012)
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Veltman, K.H.: Towards a Semantic Web for culture
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Shah, C.: Social information seeking : leveraging the wisdom of the crowd (2017)
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