Sequence To Sequence Models

mBART is a sequence-to-sequence denoising auto-encoder pre-trained on large-scale monolingual corpora in many languages using the BART objective. The input texts are noised by masking phrases and permuting sentences, and a single Transformer model is learned to recover the texts. Different from other pre-training approaches for machine translation, mBART pre-trains a complete autoregressive Seq2Seq model. mBART is trained once for all languages, providing a set of parameters that can be fine-tuned for any of the language pairs in both supervised and unsupervised settings, without any task-specific or language-specific modifications or initialization schemes.

Source: Multilingual Denoising Pre-training for Neural Machine Translation


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