Papers by Zhenqin Li
DiFRa: A Unified Framework for Harmonizing Semantic Diversity and Factual Consistency in Question-Answer Generation (2026.findings-acl)
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| Challenge: | Question-Answer Generation (QAG) is essential for domain-specific large language models post-training. |
| Approach: | They propose a framework that balances semantic diversity and factual consistency . they propose entropy and consistency scores that harmonize the trade-off between diversity and correctness . |
| Outcome: | The proposed framework outperforms baseline models in generating diverse QA pairs . the proposed framework harmonizes semantic entropy and consistency scores to quantify trade-off between diversity and correctness. |