Data-to-text Generation with Macro Planning Ratish Puduppully author Mirella Lapata author 2021 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal puduppully-lapata-2021-data 10.1162/tacl_a_00381 https://aclanthology.org/2021.tacl-1.31/ 2021 9 510 527