SemEval-2007 Task 19: Frame Semantic Structure Extraction Collin Baker author Michael Ellsworth author Katrin Erk 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 baker-etal-2007-semeval https://aclanthology.org/S07-1018/ 2007-06 99 104