@article{chiang-etal-2018-weighted,
    title = "Weighted {DAG} Automata for Semantic Graphs",
    author = "Chiang, David  and
      Drewes, Frank  and
      Gildea, Daniel  and
      Lopez, Adam  and
      Satta, Giorgio",
    journal = "Computational Linguistics",
    volume = "44",
    number = "1",
    month = apr,
    year = "2018",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/fix-sig-urls/J18-1005/",
    doi = "10.1162/COLI_a_00309",
    pages = "119--186"
}