L. Specia, and E. Motta. Proceedings of the European Semantic Web Conference (ESWC2007), volume 4519 of LNCS, page 624-639. Berlin Heidelberg, Germany, Springer-Verlag, (July 2007)
M. Lux, and G. Dösinger. International Journal of Knowledge and Learning (IJKL), 3 (4/5):
515-528(2007)ISSN (Online): 1741-1017
ISSN (Print): 1741-1009.
R. Jäschke, L. Marinho, A. Hotho, L. Schmidt-Thieme, and G. Stumme. Knowledge Discovery in Databases: PKDD 2007, 11th European Conference on Principles and Practice of Knowledge Discovery in Databases, Warsaw, Poland, September 17-21, 2007, Proceedings, volume 4702 of Lecture Notes in Computer Science, page 506-514. Springer, (2007)