M. Ruiz-Casado, E. Alfonseca, und P. Castells. Natural Language Processing and Information Systems, Volume 3513 von Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2005)
R. Casado, E. Alfonseca, und P. Castells. Natural Language Processing and Information Systems: 10th International Conference on Applications of Natural Language to Information Systems, NLDB 2005, Alicante, Spain, June 15-17, 2005: Proceedings, (2005)