Hotho, A.; Staab, S. & Stumme, G.: Wordnet improves text document clustering. Proc. SIGIR Semantic Web Workshop. Toronto: 2003
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Hotho, A.; Staab, S. & Stumme, G.: Ontologies improve text document clustering. Proceedings of the 2003 IEEE International Conference on Data Mining. Melbourne, Florida: IEEE Computer Society, 2003, S. 541-544 (Poster
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