Evaluating the Effectiveness of Linguistic Knowledge in Pretrained Language Models: A Case Study of Universal Dependencies

• URL: http://arxiv.org/abs/2506.04887v1
• Date: Thu, 05 Jun 2025 11:10:14 GMT
• Title: Evaluating the Effectiveness of Linguistic Knowledge in Pretrained Language Models: A Case Study of Universal Dependencies
• Authors: Wenxi Li,
• Abstract summary: Universal Dependencies (UD) is widely regarded as the most successful linguistic framework for cross-lingual syntactic representation.<n>This paper assesses if UD can improve their performance on a cross-lingual adversarial paraphrase identification task.
• Score: 0.6961946145048322
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Universal Dependencies (UD), while widely regarded as the most successful linguistic framework for cross-lingual syntactic representation, remains underexplored in terms of its effectiveness. This paper addresses this gap by integrating UD into pretrained language models and assesses if UD can improve their performance on a cross-lingual adversarial paraphrase identification task. Experimental results show that incorporation of UD yields significant improvements in accuracy and $F_1$ scores, with average gains of 3.85\% and 6.08\% respectively. These enhancements reduce the performance gap between pretrained models and large language models in some language pairs, and even outperform the latter in some others. Furthermore, the UD-based similarity score between a given language and English is positively correlated to the performance of models in that language. Both findings highlight the validity and potential of UD in out-of-domain tasks.

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