--- title: "Ruijun Chen — author profile and papers — Elamur Research" description: "Ruijun Chen, University of Science and Technology of China: 2 papers on Elamur Research (2024–2025), h-index 25 — affiliations, topics…" canonical: "https://research.elamur.ai/free/en/authors/ruijun-chen/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/ruijun-chen/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Ruijun Chen # Ruijun Chen Ruijun Chen has 2 papers in our library, in 2024–2025, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Efficient models & compression](https://md.research.elamur.ai/free/en/topics/efficient-models/); often with [Xiaojun Quan](https://md.research.elamur.ai/free/en/authors/xiaojun-quan/), [Chenliang Li](https://md.research.elamur.ai/free/en/authors/chenliang-li/), [Fanqi Wan](https://md.research.elamur.ai/free/en/authors/fanqi-wan/). 2 papers in our library · 2024–2025 [OpenAlex](https://openalex.org/A5091530162) · [ORCID](https://orcid.org/0000-0001-5281-4143) · [Wikidata](https://www.wikidata.org/wiki/Q89087207) · [**h-index 25**](https://openalex.org/authors/A5091530162) · [101 works](https://openalex.org/works?filter=author.id:A5091530162) · [5,399 citations](https://openalex.org/works?filter=author.id:A5091530162&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/ruijun-chen/#papers) · [🔗 Cited 30 times in our library](https://md.research.elamur.ai/free/en/authors/ruijun-chen/cited-by/) · [1 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #8283](https://md.research.elamur.ai/free/en/paper-stars/page/83/#star-8283) The profile is the library's match of the name; two people with one name are not always told apart. Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Ruijun+Chen) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Ruijun+Chen) · [dblp](https://dblp.org/search?q=Ruijun+Chen) · [ACL Anthology](https://aclanthology.org/search/?q=Ruijun+Chen) ## Affiliations [🏥**Huizhou Central People's Hospital** Huizhou · China 2022–2026 · 2 papers*current*](https://ror.org/04bwajd86) · [🎓**University of Hong Kong** Pok Fu Lam · China 2020–2026 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-hong-kong/) · [🎓**University of Science and Technology of China** Hefei · China 2026 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-science-and-technology-of-china/) · [🏥**Columbia University Irving Medical Center** New York · United States 2019–2021 · 12 papers](https://ror.org/01esghr10) · [🎓**Columbia University** New York · United States 2018–2021 · 11 papersEducation 2018–2020](https://md.research.elamur.ai/free/en/universities/columbia-university/) · [🎓**Weill Cornell Medicine** New York · United States 2017–2021 · 10 papersEmployment since 2017](https://ror.org/02r109517) · [🎓**Yale University** New Haven · United States 2013–2022 · 6 papers](https://md.research.elamur.ai/free/en/universities/yale-university/) · [🎓**Sun Yat-sen University** Guangzhou · China 2024–2025 · 5 papers](https://md.research.elamur.ai/free/en/universities/sun-yat-sen-university/) · [🎓**Beijing Jiaotong University** Beijing · China 2020–2022 · 4 papers](https://md.research.elamur.ai/free/en/universities/beijing-jiaotong-university/) · [🏢**Tempus Labs** Chicago · United States 2022 · 4 papers](https://ror.org/01gbymr57) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 24 more institutions on single bylines are not listed. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 5 The field of science this work belongs to (OpenAlex fields).[Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Computer Vision and Pattern Recognition · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-vision-and-pattern-recognition/) 🧭 Topics 2 Research subjects and languages the work is about.[Efficient models & compression · 1 work](https://md.research.elamur.ai/free/en/topics/efficient-models/) · [Language models & pretraining · 1 work](https://md.research.elamur.ai/free/en/topics/language-models/) ## Works by year ### 2020s [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/ruijun-chen/year/2025/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/ruijun-chen/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[FuseChat: Knowledge Fusion of Chat Models](https://md.research.elamur.ai/free/en/papers/wan-2025-fusechat-knowledge-fusion-chat-models/)** *(2025 · 25 citations)* Building a strong chat LLM from scratch is expensive, and many existing models already have overlapping skills. 2. **[Knowledge Distillation of Black-Box Large Language Models](https://md.research.elamur.ai/free/en/papers/chen-2024-knowledge-distillation-black-box-large/)** *(2024 · 10 citations)* Proprietary LLMs such as GPT-4 can only be reached through APIs. This means distilling them into smaller open models usually reduces to fine-tuning on their generated text, and the teacher's token distributions and hidden states stay out of reach. The authors propose Proxy-KD, which places an open white-box LLM… ## All works 3 works of theirs in our library, the most cited first; 2 with a page here, the others link their original until we summarise them. 1. **[FuseChat: Knowledge Fusion of Chat Models](https://md.research.elamur.ai/free/en/papers/wan-2025-fusechat-knowledge-fusion-chat-models/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Fanqi Wan, Longguang Zhong, Ziyi Yang, et al.*2025 · 25 citations* 2. [**Knowledge Distillation of Black-Box Large Language Models arXiv:2401.07013**Hongzhan Chen, Ruijun Chen, Yuqi Yi, et al.*2024 · 10 citations*](https://md.research.elamur.ai/free/en/papers/chen-2024-knowledge-distillation-black-box-large/) 3. **[The Multi-Outcome Medical Deconfounder: Assessing Treatment Effect on Multiple Renal Measures. ↗](https://openalex.org/W3159022646) AMIA · no summary yet**Linying Zhang et al.*2020* ## Co-authors here 7 co-authors with a page, the most papers together first. - [Xiaojun Quan](https://md.research.elamur.ai/free/en/authors/xiaojun-quan/) ×2 - [Chenliang Li](https://md.research.elamur.ai/free/en/authors/chenliang-li/) - [Fanqi Wan](https://md.research.elamur.ai/free/en/authors/fanqi-wan/) - [Hongzhan Chen](https://md.research.elamur.ai/free/en/authors/hongzhan-chen/) - [Ji Zhang](https://md.research.elamur.ai/free/en/authors/ji-zhang/) - [Ming Yan](https://md.research.elamur.ai/free/en/authors/ming-yan/) - [Ziyi Yang](https://md.research.elamur.ai/free/en/authors/ziyi-yang/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/): [EMNLP 2025](https://md.research.elamur.ai/free/en/venues/emnlp/2025/) - AMIA ## Cited by Papers of our library cite their works 30 times (of the 149,439 papers whose bibliographies we read); [7 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/ruijun-chen/cited-by/). Updated 30 October 2026