Synthetic QA Corpora Generation with Roundtrip Consistency

ACL 2019 Chris AlbertiDaniel AndorEmily PitlerJacob DevlinMichael Collins

We introduce a novel method of generating synthetic question answering corpora by combining models of question generation and answer extraction, and by filtering the results to ensure roundtrip consistency. By pretraining on the resulting corpora we obtain significant improvements on SQuAD2 and NQ, establishing a new state-of-the-art on the latter... (read more)

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