I. Gurevych, S. Merten, and R. Porzel. Proceedings of the HLT-NAACL 2003 Workshop on Software Engineering and Architecture of Language Technology Systems (SEALTS), Edmonton, Canada, page 59-66. (2003)
M. Book, V. Gruhn, and M. Lehmann. Proceedings of the 6th international conference on Web engineering, page 209--216. Palo Alto, California, USA, ACM, (2006)