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Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000)
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Ardö, A.; Godby, J.; Houghton, A.; Koch, T.; Reighart, R.; Thompson, R.; Vizine-Goetz, D.: Browsing engineering resources on the Web : a general knowledge organization scheme (Dewey) vs. a special scheme (EI) (2000)
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Koch, T.; Golub, K.; Ardö, A.: Users browsing behaviour in a DDC-based Web service : a log analysis (2006)
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Weibel, S.L.; Koch, T.: ¬The Dublin Core Metatdata Initiative : mission, current activities, and future directions (2000)
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Koch, T.; Neuroth, H.; Day, M.: Renardus: Cross-browsing European subject gateways via a common classification system (DDC) (2003)
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