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A. Hotho, S. Staab, и G. Stumme. Proceedings of the Semantic Web Workshop of the 26th Annual International ACM SIGIR Conference on Research and Development in Informaion Retrieval (SIGIR 2003), August 1, 2003, Toronto Canada, (2003)Published Online at http://de.scientificcommons.org/608322..
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B. Berendt, A. Hotho, и G. Stumme. Proceedings of the First International Semantic Web Conference: The Semantic Web (ISWC 2002), том 2342 из Lecture Notes in Computer Science (LNCS), стр. 264-278. Sardinia, Italy, Springer, (2002)
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