Cross-lingual transfer learning has become an important weapon to battle the unavailability of annotated resources for low-resource languages . One of the fundamental techniques to transfer across languages is learning language-agnostic representations, in the form of word embeddings or contextual encodings… In this work, we propose to leverage unannotated sentences from auxiliary languages to help learning language . We conduct experiments on cross-lingually dependency parsing where we train a dependency parser on a source language and transfer it to a wide range of target languages . Experiments on 28 target languages demonstrate that adversarial training significantly improves the overall transfer performances under several different settings of the transfer performances .

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Keywords : languages - transfer - learning - cross - dependency -

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