@inproceedings{ijcai2009p261,
  title     = {Online Graph Planarisation for Synchronous Parsing of Semantic and Syntactic Dependencies},
  author    = {Titov, Ivan and Henderson, James and Merlo, Paola and Musillo, Gabriele},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {1562--1566},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/261},
}