Analyzing the Source and Target Contributions to Predictions in Neural Machine Translation

21 Oct 2020 Elena Voita Rico Sennrich Ivan Titov

In Neural Machine Translation (and, more generally, conditional language modeling), the generation of a target token is influenced by two types of context: the source and the prefix of the target sequence. While many attempts to understand the internal workings of NMT models have been made, none of them explicitly evaluates relative source and target contributions to a generation decision... (read more)

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