J. Euzenat. Proceedings of the 3rd International Semantic Web Conference (ISWC), volume 3298 of Lecture Notes in Computer Science, page 698--712. Berlin, Heidelberg, Springer, (November 2004)
J. Jung, and J. Euzenat. Proceedings of the European Semantic Web Conference (ESWC2007), volume 4519 of LNCS, page 267-280. Berlin Heidelberg, Germany, Springer-Verlag, (July 2007)