Y. Desalle, S. Hsieh, B. Gaume, und H. Cheung. PACLIC, Seite 809-818. Institute for Digital Enhancement of Cognitive Development, Waseda University, (2010)
B. Gaillard, B. Gaume, und E. Navarro. Graph-based Methods for Natural Language Processing, Seite 15-23. The Association for Computer Linguistics, (2011)