A Split-and-Recombine Approach for Follow-up Query Analysis
Table 4: Answer accuracy on SQA test set.
['[BOLD] Model', 'Precedent', 'Follow-up']
DynSP∗ Iyyer et al. DynSP∗ is incapable of being extended to work with the annotation of the restated queries. We attempt to apply DynSP∗ (trained on SQA) directly on FollowUp test set, which results in an extremely low AnsAcc. On the contrary, StAR is extensible. “+StAR” means our method StAR is incorporated into the context-independent parser and empowers them with the ability to perform follow-up query analysis. As observed, integrating StAR consistently improves performance for follow-up queries, which demonstrates the effectiveness of StAR in collaborating with different semantic parsers. The comparable results of DynSP+StAR to DynSP∗ further verifies the promising extensibility of StAR.