@book{tacl-2018-transactions, title = "Transactions of the Association for Computational Linguistics, Volume 6", editor = "Lee, Lillian and Johnson, Mark and Toutanova, Kristina and Roark, Brian", year = "2018", address = "Cambridge, MA", publisher = "MIT Press", url = "https://preview.aclanthology.org/fix-sig-urls/Q18-1000/" }