@inproceedings{schluter-2015-complexity, title = "The complexity of finding the maximum spanning {DAG} and other restrictions for {DAG} parsing of natural language", author = "Schluter, Natalie", editor = "Palmer, Martha and Boleda, Gemma and Rosso, Paolo", booktitle = "Proceedings of the Fourth Joint Conference on Lexical and Computational Semantics", month = jun, year = "2015", address = "Denver, Colorado", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/S15-1031/", doi = "10.18653/v1/S15-1031", pages = "259--268" }