S. Shum, V. Uren, G. Li, B. Sereno, and C. Mancini. International Journal of Intelligent Systems (Special Issue on Computational Models of Natural Argument), 22 (1):
17-47(2007)
M. Bilotti, P. Ogilvie, J. Callan, and E. Nyberg. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 351--358. New York, NY, USA, ACM Press, (2007)
F. Suchanek, G. Ifrim, and G. Weikum. Proceedings of the 2nd Workshop on Ontology Learning and Population: Bridging the Gap between Text and Knowledge, page 18--25. Sydney, Australia, Association for Computational Linguistics, (July 2006)