Maximising Spanning Subtree Scores for Parsing Tree Approximations of Semantic Dependency Digraphs Natalie Schluter author 2015-07 text Proceedings of the 14th International Conference on Parsing Technologies Association for Computational Linguistics Bilbao, Spain conference publication schluter-2015-maximising 10.18653/v1/W15-2212 https://aclanthology.org/W15-2212/ 2015-07 92 96