UPC: Experiments with Joint Learning within SemEval Task 9 Lluís Màrquez author Lluís Padró author Mihai Surdeanu author Luis Villarejo author 2007-06 text Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007) Eneko Agirre editor Lluís Màrquez editor Richard Wicentowski editor Association for Computational Linguistics Prague, Czech Republic conference publication marquez-etal-2007-upc https://aclanthology.org/S07-1095/ 2007-06 426 429