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Li, T.; Zhu, S.; Ogihara, M.: Hierarchical document classification using automatically generated hierarchy (2007)
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Kishida, K.: High-speed rough clustering for very large document collections (2010)
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Losee, R.M.; Church Jr., L.: Are two document clusters better than one? : the cluster performance question for information retrieval (2005)
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Mather, L.A.: ¬A linear algebra measure of cluster quality (2000)
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Rasmussen, E.: Clustering algorithms (1992)
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