E. Hoenkamp, and R. de Groot. Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 385--387. (2000)
T. Baldwin, C. Bannard, T. Tanaka, and D. Widdows. Proceedings of the ACL 2003 Workshop on Multiword Expressions: Analysis, Acquisition and Treatment, (2003)
J. Wermter, and U. Hahn. 44th Annual Meeting of the Association for Computational Linguistics, page 785--792. Sydney, Australia, Association for Computational Linguistics, (July 2006)