L. Marinho, K. Buza, and L. Schmidt-Thieme. Proceedings of the International Semantic Web Conference, volume 5318 of Lecture Notes in Computer Science, page 261-276. Springer, (2008)
P. Haase, A. Hotho, L. Schmidt-Thieme, and Y. Sure. The Semantic Web: Research and Applications, volume 3532 of Lecture Notes in Computer Science, page 486--499. Berlin/Heidelberg, Springer, (2005)
C. Ziegler, L. Schmidt-Thieme, and G. Lausen. Proc. of the 2nd ACM SIGIR Semantic Web and Information Retrieval Workshop (SWIR '04), Sheffield, UK, (2004)