António Branco author Catarina Carvalheiro author Sílvia Pereira author Sara Silveira author João Silva author Sérgio Castro author João Graça 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 branco-etal-2012-propbank https://aclanthology.org/L12-1184/ 2012-05 1516 1521