Hello! I’m Jiaan Wang (王佳安), a Research Scientist at Weixin AI, Tencent, based in Beijing. I received my B.Eng. and M.S. degrees from Soochow University (2016–2023), where I was advised by Prof. Zhixu Li (now at Renmin University of China) and Dr. Fandong Meng (Weixin AI). I have also worked closely with Dr. Jiarong Xu (Fudan University) and Dr. Jianfeng Qu (now at Renmin University of China).
My current research centers on the post-training of large foundation models, with a particular focus on LLM agents and LLM evaluation.
Previously, I worked on a broad range of NLP topics, including:
- Machine Translation: DeepTrans (TACL 2026), DRT (ACL 2025 Findings), RAGtrans (EMNLP 2025 Findings) and ExTrans (arXiv preprint 2025).
- Multi-lingual Summarization: M2MS empirical study (ACL 2025), PISCES (ACL 2023), Translationese in CLS (EMNLP 2023 Findings), CLS Survey (TACL 2022), ClidSum (EMNLP 2022).
- Dialogue Generation: Role-Play Tutorial (IJCAI 2025), EnCo (AAAI 2024).
- NLG Evaluation: Is ChatGPT a Good NLG Evaluator? (NewSumm@EMNLP 2023).
Beyond computer science, I also used to have a research interest in management science, where I explored how AI techniques can be applied to business and societal problems. This line of work resulted in two papers in UTD-24 journals: UPSTAR (ISR) on recommender systems and PPGP (JOC) on privacy-preserving graph learning.
We are hiring research interns in Beijing to work on LLM agents and LLM evaluation. If you are interested, please feel free to reach out.
Email: jawang.nlp[at]gmail.com / torchwang[at]tencent.com
👨💼 Experience
- 2024.08 - Present: Research Scientist, Weixin AI, Tencent, with Fandong Meng.
- 2023.06 - 2024.07: NLP Researcher, Anti-Entropy (逆熵) AI, miHoYo Inc, with Jun Xing and Yan Wang.
- 2021.09 - 2023.05: NLP Research Intern, Weixin AI, Tencent, with Fandong Meng.
- 2021.06 - 2021.09: NLP Research Intern, Fuxi (伏羲) AI Lab, NetEase Game, with Cong Zhang.
- 2021.03 - 2021.06: NLP Research Intern, iFLYTEK AI Research, with Zhixu Li.
- 2019.10 - 2020.08: NLP Research Intern, iFLYTEK AI Research, with Zhixu Li.
📝 Selected Publications
Please refer to Google Scholar for the full list.
Recent Preprints
- ExTrans: Multilingual Deep Reasoning Translation via Exemplar-Enhanced Reinforcement Learning | [GitHub]
Jiaan Wang, Fandong Meng and Jie Zhou
arXiv preprint 2025
Selected Publications
- EvoBrowseComp: Benchmarking Search Agents on Evolving Knowledge | [Data]
Yunhan Wang, Jiaan Wang, Lianzhe Huang, Xianfeng Zeng and Fandong Meng
Accepted by EMNLP 2026 (findings) - DeepTrans: Deep Reasoning Translation via Reinforcement Learning | [GitHub]
Jiaan Wang, Fandong Meng and Jie Zhou
In TACL 2026 - Retrieval-Augmented Machine Translation with Unstructured Knowledge | [GitHub]
Jiaan Wang, Fandong Meng, Yingxue Zhang and Jie Zhou
In Proc. of EMNLP 2025 (findings) - DRT: Deep Reasoning Translation via Long Chain-of-Thought | [GitHub]
Jiaan Wang, Fandong Meng, Yunlong Liang and Jie Zhou
In Proc. of ACL 2025 (findings) - An Empirical Study of Many-to-Many Summarization with Large Language Models
Jiaan Wang, Fandong Meng, Zengkui Sun, Yunlong Liang, Yuxuan Cao, Jiarong Xu, Haoxiang Shi and Jie Zhou
In Proc. of ACL 2025 (main conference) - Cross-Lingual Knowledge Editing in Large Language Models | [Data&Code]
Jiaan Wang, Yunlong Liang, Zengkui Sun, Yuxuan Cao, Jiarong Xu and Fandong Meng
In Proc. of ACL 2024 (main conference) - Towards Unifying Multi-Lingual and Cross-Lingual Summarization | [Model] | [Report]
Jiaan Wang, Fandong Meng, Duo Zheng, Yunlong Liang, Zhixu Li, Jianfeng Qu and Jie Zhou
In Proc. of ACL 2023 (main conference) - Understanding Translationese in Cross-Lingual Summarization
Jiaan Wang, Fandong Meng, Yunlong Liang, Tingyi Zhang, Jiarong Xu, Zhixu Li and Jie Zhou
In Proc. of EMNLP 2023 (findings) - Is ChatGPT a Good NLG Evaluator? A Preliminary Study | [Data&Code]
Jiaan Wang, Yunlong Liang, Fandong Meng, Zengkui Sun, Haoxiang Shi, Zhixu Li, Jinan Xu, Jianfeng Qu and Jie Zhou
In Proc. of NewSumm@EMNLP 2023 (workshop paper) - A Survey on Cross-Lingual Summarization | [Report]
Jiaan Wang, Fandong Meng, Duo Zheng, Yunlong Liang, Zhixu Li, Jianfeng Qu and Jie Zhou
In TACL 2022 - ClidSum: A Benchmark Dataset for Cross-Lingual Dialogue Summarization | [Data&Code] | [Model] | [Report]
Jiaan Wang, Fandong Meng, Ziyao Lu, Duo Zheng, Zhixu Li, Jianfeng Qu and Jie Zhou
In Proc. of EMNLP 2022 (main conference) - Improving the Robustness of Knowledge-Grounded Dialogue via Contrastive Learning
Jiaan Wang, Jianfeng Qu, Kexin Wang, Zhixu Li, Wen Hua, Ximing Li and An Liu
In Proc. of AAAI 2024
Management Sciences
- A User Purchase Motivation-Aware Product Recommender System
Jiarong Xu, Jiaan Wang, Hongzhe Zhang and Tian Lu
In Information Systems Research (UTD-24 & FT-50) - Toward Graph Data Collaboration in a Data-Sharing-Free Manner: A Novel Privacy-Preserving Graph Pre-training Model
Jiarong Xu, Jiaan Wang, Zenan Zhou and Tian Lu
In INFORMS Journal on Computing (UTD-24)
🗞️ Academic Services & Teaching
- Area Chair: ACL Rolling Review (2024-2025), NeurIPS (2025-2026), LREC 2026
- PC Member:
- NLP Conference: ACL Rolling Review (2022-2025), ACL (2023-2025), EMNLP (2022-2025), NAACL (2024-2025), EACL 2024, COLING (2022, 2024, 2025), CoNLL (2023-2024)
- DM Conference: WWW (The Web Conf) 2026, KDD (2023, 2025), SIGIR 2025, WSDM (2026-2027), SIGIR-AP (2025-2026), SDM 2024
- AI/ML Conference: ICLR 2026, AAAI (2026-2027), ICANN (2021, 2023), ICIRA 2023
- Journal Reviewer: Transactions on Machine Learning Research (TMLR), Journal of Artificial Intelligence Research (JAIR)
- IJCAI 2025 Tutorial: LLM-based Role-Playing from the Perspective of Hallucination
🎖 Honors and Awards
- [2022.10] China National Scholarship
- [2021.10] China National Scholarship
- [2015] Provincial First Prize at Chinese Mathematics Olympiad (Rank: 42nd in Shaanxi province)
- [2014] Provincial First Prize at Chinese Mathematics Olympiad (Rank: 16th in Shaanxi province)