- Julio Villena-Román, Janine García-Morera, Miguel Ángel García Cumbreras, Eugenio Martínez-Cámara, Maria Teresa Martín-Valdivia, Luis Alfonso Ureña López, editors, Proceedings of TASS 2015: Workshop on Sentiment Analysis at SEPLN co-located with 31st SEPLN Conference (SEPLN 2015), Alicante, Spain, September 15, 2015. Volume 1397 of CEUR Workshop Proceedings, CEUR-WS.org, 2015.
- Iñaki Alegria, Nora Aranberri, Cristina España-Bonet, Pablo Gamallo, Eva Martínez Garcia, Hugo Gonçalo Oliveira, Iñaki San Vicente, Antonio Toral, Arkaitz Zubiaga, editors, Proceedings of the Tweet Translation Workshop 2015 co-located with 31st Conference of the Spanish Society for Natural Language Processing (SEPLN 2015), Alicante, Spain, September 15th, 2015. Volume 1445 of CEUR Workshop Proceedings, CEUR-WS.org, 2015.