The REX corpora: A collection of multimodal corpora of referring expressions in collaborative problem solving dialogues Takenobu Tokunaga author Ryu Iida author Asuka Terai author Naoko Kuriyama author 2012-05 text Proceedings of the Eighth International Conference on Language Resources and Evaluation (LREC’12) Nicoletta Calzolari editor Khalid Choukri editor Thierry Declerck editor Mehmet Uğur Doğan editor Bente Maegaard editor Joseph Mariani editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association (ELRA) Istanbul, Turkey conference publication tokunaga-etal-2012-rex https://aclanthology.org/L12-1392/ 2012-05 422 429