篇名 |
Combining GCN and Transformer for Chinese Grammatical Error Detection
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並列篇名 | Combining GCN and Transformer for Chinese Grammatical Error Detection |
作者 | Jinhong Zhang |
英文摘要 | This paper describes our system at a task: Chinese Grammatical Error Diagnosis (CGED). The task is held by the Natural Language Processing Techniques for Educational Applications (NLP-TEA) to encourage the development of automatic grammatical error diagnosis in Chinese learning since 2014. The goal of CGED is to diagnose four types of grammatical errors: word selection (S), redundant words (R), missing words (M), and disordered words (W). The automatic CGED system contains two parts including error detection and error correction and our system is designed to solve the error detection problem. Our system is built on three models: 1) a BERT-based model leveraging syntactic information; 2) a BERT-based model leveraging contextual embeddings; 3) a lexicon-based graph neural network leveraging lexical information. We also design an ensemble mechanism to improve the single model’s performance. Finally, our system achieves the highest F1 scores at detection level and identification level among all teams participating in the CGED 2020 task.
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起訖頁 | 1663-1668 |
關鍵詞 | CGED task、GCN、BERT、Ensemble mechanism |
刊名 | 網際網路技術學刊 |
期數 | 202212 (23:7期) |
出版單位 | 台灣學術網路管理委員會 |
DOI |
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