| Challenge: | Currently, there are 1.3 billion speakers of Sinitic varieties, making the family one of the largest in terms of speaker count. |
| Approach: | They have collected a single constituent and structured form of Chinese varieties for comparative linguistics and Chinese NLP. |
| Outcome: | The proposed dataset contains 67,943 entries across 8 varieties and Middle Chinese . it achieves 54.11% accuracy and 17.69% error rate on a protoform reconstruction task . |
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