Our work departs from previous generalpurpose semantic parsers (Flanigan et al., 2016;Foland and Martin, 2017;Lyu and Titov, 2018;Liu et al., 2018;van Noord et al., 2018b) in that we focus on building representations for entire documents rather than isolated utterances, and introduce a novel semantic parsing task based on DRT.
our model operates over Discourse Representation Tree Structures (DRTSs) which are DRSs rendered in a tree-style format (Liu et al.