B. Taneva, M. Kacimi, и G. Weikum. Proceedings of the third ACM international conference on Web search and data mining, стр. 431--440. New York, NY, USA, ACM, (2010)
J. Ruth, и J. O'Regan. Proceedings of the Second International Workshop on Free/Open-Source Rule-Based Machine Translation, 2nd, стр. 69--76. Barcelona, Spain, Universitat Oberta de Catalunya, (января 2011)