3 A popular inference-time approach is constrained decoding (Anderson et al., 2016;Hokamp and Liu, 2017;Hasler et al., 2018;Post and Vilar, 2018), which modifies beam search to require that user-specified words or phrases to be present in the output hypotheses.
table 3 summarizes key exploratory results for the baseline, Ct, and CD approaches on the development set.