@article{chiang-2007-hierarchical,
    title = "Hierarchical Phrase-Based Translation",
    author = "Chiang, David",
    journal = "Computational Linguistics",
    volume = "33",
    number = "2",
    year = "2007",
    url = "https://aclanthology.org/J07-2003/",
    doi = "10.1162/coli.2007.33.2.201",
    pages = "201--228"
}