D. Ferrucci, and A. Lally. Proceedings of the HLT-NAACL 2003 Workshop on Software Engineering and Architecture of Language Technology Systems (SEALTS), Edmonton, Canada, page 67-74. (2003)
U. Callmeier, A. Eisele, U. Schäfer, and M. Siegel. Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC 2004), Lisbon, Portugal, page 1205-1208. European Language Resources Association (ELRA), (2004)