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On Difficulties of Cross-Lingual Transfer with Order Differences: A Case Study on Dependency Parsing

1 Nov 2018NAACL 2019 6arXiv:1811.00570archive 2025-07-28

Wasi Uddin Ahmad, Zhisong Zhang, Xuezhe Ma, Eduard Hovy, Kai-Wei Chang, Nanyun Peng

Different languages might have different word orders. In this paper, we investigate cross-lingual transfer and posit that an order-agnostic model will perform better when transferring to distant foreign languages. To test our hypothesis, we train dependency parsers on an English corpus and evaluate their transfer performance on 30 other languages. Specifically, we compare encoders and decoders based on Recurrent Neural Networks (RNNs) and modified self-attentive architectures. The former relies on sequential information while the latter is more flexible at modeling word order. Rigorous experiments and detailed analysis shows that RNN-based architectures transfer well to languages that are close to English, while self-attentive models have better overall cross-lingual transferability and perform especially well on distant languages.

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uclanlp/CrossLingualDepParser officialmentioned in papermentioned on GitHubpytorch report
uclanlp/0ShotCLTwithOD mentioned on GitHubpytorch report

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Cross-Lingual TransferDependency Parsing

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