Parsing entire discourses as very long strings: Capturing topic continuity in grounded language learning Minh-Thang Luong author Michael C Frank author Mark Johnson author 2013 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal luong-etal-2013-parsing 10.1162/tacl_a_00230 https://aclanthology.org/Q13-1026/ 2013 1 315 326