- Arkaitz Zubiaga, Iñaki San Vicente, Pablo Gamallo, José Ramom Pichel Campos, Iñaki Alegría Loinaz, Nora Aranberri, Aitzol Ezeiza, Víctor Fresno, editors, Proceedings of the Tweet Language Identification Workshop co-located with 30th Conference of the Spanish Society for Natural Language Processing, TweetLID@SEPLN 2014, Girona, Spain, September 16th, 2014. Volume 1228 of CEUR Workshop Proceedings, CEUR-WS.org, 2014.