Kaljahi, Rasoul, Jennifer Foster, Johann Roturier, Corentin Ribeyre, Teresa Lynn, and Joseph Le Roux. {Foreebank: Syntactic Analysis of Customer Support Forums} In {Conference on Empirical Methods in Natural Language Processing (EMNLP)}. Proceedings of Conference on Empirical Methods in Natural Language Processing (EMNLP). Lisboa, Portugal, 2015.

Crabbé, Benoît, Denys Duchier, Claire Gardent, Joseph Le Roux, and Yannick Parmentier. "XMG : eXtensible MetaGrammar." Computational Linguistics 39 (2013): 591-629.