Insertion Transformer: Flexible Sequence Generation via Insertion Operations

8 Feb 2019Mitchell SternWilliam ChanJamie KirosJakob Uszkoreit

We present the Insertion Transformer, an iterative, partially autoregressive model for sequence generation based on insertion operations. Unlike typical autoregressive models which rely on a fixed, often left-to-right ordering of the output, our approach accommodates arbitrary orderings by allowing for tokens to be inserted anywhere in the sequence during decoding... (read more)

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