@inproceedings{agic-etal-2015-semantic,
    title = "Semantic Dependency Graph Parsing Using Tree Approximations",
    author = "Agi{\'c}, {\v{Z}}eljko  and
      Koller, Alexander  and
      Oepen, Stephan",
    editor = "Purver, Matthew  and
      Sadrzadeh, Mehrnoosh  and
      Stone, Matthew",
    booktitle = "Proceedings of the 11th International Conference on Computational Semantics",
    month = apr,
    year = "2015",
    address = "London, UK",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W15-0126/",
    pages = "217--227"
}