Question Answering Models
TransferQA
Introduced by Lin et al. in Zero-Shot Dialogue State Tracking via Cross-Task TransferTransferQA is a transferable generative QA model, built upon T5 that combines extractive QA and multi-choice QA via a text-to-text transformer framework, and tracks both categorical slots and non-categorical slots in DST. In addition, it introduces two effective ways to construct unanswerable questions, namely, negative question sampling and context truncation, which enable the model to handle “none” value slots in the zero-shot DST setting.
Source: Zero-Shot Dialogue State Tracking via Cross-Task Transfer
Papers
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T5
