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Chan, L.M.: Exploiting LCSH, LCC, and DDC to retrieve networked resources : issues and challenges (2000)
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Robbio, A. de; Maguolo, D.; Marini, A.: Scientific and general subject classifications in the digital world (2001)
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Koch, T.; Vizine-Goetz, D.: DDC and knowledge organization in the digital library : Research and development. Demonstration pages (1999)
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Subramanian, S.; Shafer, K.E.: Clustering (1998)
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Shafer, K.E.: Evaluating Scorpion results (1998)
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