Angel X Chang author Christopher Manning author 2012-05 text 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 chang-manning-2012-sutime https://aclanthology.org/L12-1122/ 2012-05 3735 3740