E. Garbin, und I. Mani. Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing, Seite 363--370. Stroudsburg, PA, USA, Association for Computational Linguistics, (2005)
B. Martins, H. Manguinhas, und J. Borbinha. Proceedings of the International Conference on Semantic Computing, Seite 1--9. IEEE Computer Society, (August 2008)
T. Tezuka, R. Lee, Y. Kambayashi, und H. Takakura. Proceedings of the Second International Conference on Web Information Systems Engineering, 2, Seite 14--21. (Dezember 2001)