PeopleofSuperintelligence

Researcher

Baobao Chang

Also known as 常宝宝

Baobao Chang is an associate professor at Peking University whose work spans computational linguistics, Chinese language resources, parsing, and natural language processing. He earned a B.Sc. from Shanxi University in 1992 and a Ph.D. from Peking University in 1999. His work on the Comprehensive Language Knowledge Base earns a Ministry of Education prize in 2007 and China's Second Class National Scientific & Technical Progress Prize in 2011. In 2025, he coauthored Math-Minos, a verifier that uses step-wise natural-language feedback to check mathematical solutions. In July 2026, he coauthored FaithLens, which detects and explains faithfulness hallucinations; as of October 2026, he is vice director of Peking University's Ministry of Education Key Laboratory of Computational Linguistics.

Works
252
Citations
6,350
h-index
37
Badges

Publication numbers from OpenAlex, as of 27 October 2026.

Timeline

  1. 1992–1999

    A Shanxi degree and Peking PhD

    He earns a B.Sc. from Shanxi University in 1992 and a Ph.D. from Peking University in 1999.

  2. 2007

    A Ministry of Education prize

    He receives the Ministry of Education's First Class Scientific & Technical Progress Prize in 2007 for his work on the Comprehensive Language Knowledge Base.

  3. 2011

    A national science prize

    In 2011, he receives China's Second Class National Scientific & Technical Progress Prize for his work on the Comprehensive Language Knowledge Base; Peking University lists his rank for that award as third.

  4. 2025

    Math-Minos for math verification

    In 2025, he coauthors Math-Minos, a verifier that uses step-wise natural-language feedback and automatically generated training data to check mathematical solutions.

  5. July 2026

    FaithLens for hallucination detection

    In July 2026, he coauthors FaithLens, a model that detects faithfulness hallucinations in language-model outputs and provides corresponding explanations.

  6. As of October 2026

    Associate professor at Peking

    As of October 2026, he is an associate professor in Peking University's School of Computer Science and Institute of Computational Linguistics. He also serves as vice director of the Ministry of Education Key Laboratory of Computational Linguistics at Peking University, and his research includes computational linguistics, natural language processing, Chinese language resource engineering, Chinese segmentation, and syntactic and semantic parsing.

Career

  1. NowPeking UniversityAssociate Professor
  2. NowPeking UniversityVice Director, Ministry of Education Key Laboratory of Computational Linguistics
  3. 2024–2026Tsinghua University
  4. 2019–2022Peng Cheng Laboratory

Education

  1. 1999Peking UniversityPh.D.
  2. 1992Shanxi UniversityB.Sc.

From the biography and OpenAlex affiliations (the years of papers that list the organization), so some years are approximate.

Colleagues

People with dated positions at the same organization in the same years.

Sources and credits

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  1. Chang, Baobao-北京大学计算机学院 cs.pku.edu.cn. Checked 27 October 2026.
  2. 常宝宝-北京大学计算机学院 cs.pku.edu.cn. Checked 27 October 2026.
  3. LLM Critics Help Catch Bugs in Mathematics: Towards a Better Mathematical Verifier with Natural Language Feedback - ACL Anthology aclanthology.org. Checked 27 October 2026.
  4. LLM Critics Help Catch Bugs in Mathematics: Towards a Better Mathematical Verifier with Natural Language Feedback arxiv.org. Checked 27 October 2026.
  5. FaithLens: Detecting and Explaining Faithfulness Hallucination - ACL Anthology aclanthology.org. Checked 27 October 2026.
  6. ALL-北京大学计算机学院 cs.pku.edu.cn. Checked 27 October 2026.