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V. Sandvold, T. Aussenac, O. Celma, und P. Herrera. Proceedings of 7th International Conference on Music Information Retrieval (to be published), Victoria, Canada, (2006)
O. Celma, M. Ramirez, und P. Herrera. Proceedings of 1st Workshop on Friend of a Friend, Social Networking and the Semantic Web, Galway, Ireland, (2004)