Multi-source Teacher-Student Distillation for Cross-lingual NER in Low-Resource Languages

Abstract

Abstract: Cross-lingual named entity recognition task is one of the critical problems for evaluating the potential transfer learning techniques on low resource languages. Knowledge distillation using pre-trained multilingual language models between source and target languages have shown their superiority in transfer. However, existing cross-lingual distillation models merely consider the potential transferability between two identical single tasks across both domains. Other possible auxiliary tasks to improve the learning performance have not been fully investigated. In this study, based on the knowledg

Research Question

Does multi-source teacher-student distillation improve cross-lingual NER F1 scores on low-resource languages compared to direct mBERT transfer?

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