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S. Tramp, N. Heino, S. Auer, и P. Frischmuth. Proceedings of 7th Extended Semantic Web Conference (ESWC 2010), том 6089 из Lecture Notes in Computer Science, стр. 436---440. Berlin / Heidelberg, Springer, (2010)
N. Heino, S. Tramp, и S. Auer. Proceedings of the 35th Annual IEEE International Computer Software and Applications Conference (COMPSAC 2011), IEEE Computer Society, (2011)
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