--- title: "Chenkai Sun · Zhengzhou University — author profile and papers" description: "Chenkai Sun, Zhengzhou University: 3 papers on Elamur Research (2024–2025), h-index 35 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/chenkai-sun/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/chenkai-sun/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Chenkai Sun # Chenkai Sun Chenkai Sun has 3 papers in our library, in 2024–2025, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/); often with [Heng Ji](https://md.research.elamur.ai/free/en/authors/heng-ji/), [Yi Fung](https://md.research.elamur.ai/free/en/authors/yi-fung/), [ChengXiang Zhai](https://md.research.elamur.ai/free/en/authors/chengxiang-zhai/). 3 papers in our library · 2024–2025 [OpenAlex](https://openalex.org/A5090247435) · [ORCID](https://orcid.org/0000-0003-3436-3283) · [Wikidata](https://www.wikidata.org/wiki/Q87842060) · [**h-index 35**](https://openalex.org/authors/A5090247435) · [90 works](https://openalex.org/works?filter=author.id:A5090247435) · [6,882 citations](https://openalex.org/works?filter=author.id:A5090247435&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 3 works in our library](https://md.research.elamur.ai/free/en/authors/chenkai-sun/#papers) · [🔗 Cited 119 times in our library](https://md.research.elamur.ai/free/en/authors/chenkai-sun/cited-by/) · [⭐ Paper Stars ranking: #6385](https://md.research.elamur.ai/free/en/paper-stars/page/64/#star-6385) 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=Chenkai+Sun) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Chenkai+Sun) · [dblp](https://dblp.org/search?q=Chenkai+Sun) · [ACL Anthology](https://aclanthology.org/search/?q=Chenkai+Sun) ## Affiliations [🎓**Zhengzhou University** Zhengzhou · China 2020–2026 · 27 papers*current*](https://md.research.elamur.ai/free/en/universities/zhengzhou-university/) · [🏛️**Chinese Academy of Sciences** Beijing · China 2017–2025 · 39 papers](https://md.research.elamur.ai/free/en/government/chinese-academy-of-sciences/) · [🔬**Institute of Chemistry** Beijing · China 1992–2023 · 38 papers](https://ror.org/048y1rc66) · [🎓**University of Chinese Academy of Sciences** Beijing · China 2017–2021 · 26 papers](https://md.research.elamur.ai/free/en/universities/university-of-chinese-academy-of-sciences/) · [🔬**Beijing National Laboratory for Molecular Sciences** Beijing · China 2017–2023 · 23 papers](https://ror.org/02601yx74) · [🎓**Donghua University** Shanghai · China 2020–2021 · 6 papers](https://md.research.elamur.ai/free/en/universities/donghua-university/) · [🔬**State Key Laboratory for Modification of Chemical Fibers and Polymer Materials** Shanghai 2020–2021 · 6 papers](https://ror.org/048nswj43) · [🎓**University of Illinois Urbana-Champaign** Urbana · United States 2023–2024 · 5 papers](https://md.research.elamur.ai/free/en/universities/university-of-illinois-urbana-champaign/) · [🎓**China Pharmaceutical University** Nanjing · China 2021–2025 · 3 papers](https://ror.org/01sfm2718) · [🔬**National Center for High-Performance Computing** Hsinchu · Taiwan 2021–2025 · 3 papers](https://ror.org/01jpzd518) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 13 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 6 The field of science this work belongs to (OpenAlex fields).[Arts and Humanities · 3 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 3 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Artificial Intelligence · 3 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Language and Linguistics · 3 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/) · [Information Systems · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) 🧭 Topics 1 Research subjects and languages the work is about.[Language models & pretraining · 2 works](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/chenkai-sun/year/2025/) · [**2024** 2 papers](https://md.research.elamur.ai/free/en/authors/chenkai-sun/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[Massively Multi-Cultural Knowledge Acquisition & LM Benchmarking](https://md.research.elamur.ai/free/en/papers/fung-2024-massively-multi-cultural-knowledge-acquisition/)** *(2024 · 56 citations)* Large language models often reflect Western-centric biases and lack culture-specific commonsense, especially about variation within a country. 2. **[Word Embeddings Are Steers for Language Models](https://md.research.elamur.ai/free/en/papers/han-2024-word-embeddings-are-steers-language/)** *(2024 · 49 citations)* The paper asks what role output word embeddings play in how language models generate text, a question earlier work has mostly treated only at the level of individual word meaning. 3. **[Persona-DB: Efficient Large Language Model Personalization for Response Prediction with Collaborative Data Refinement](https://md.research.elamur.ai/free/en/papers/sun-2025-persona-db-efficient-large-language/)** *(2025 · 29 citations)* The paper addresses context efficiency in retrieval-augmented LLM personalization: how to keep predictions of a user's reactions accurate while placing fewer retrieved items into the prompt. ## Co-authors here 7 co-authors with a page, the most papers together first. - [Heng Ji](https://md.research.elamur.ai/free/en/authors/heng-ji/) ×3 - [Yi Fung](https://md.research.elamur.ai/free/en/authors/yi-fung/) ×3 - [ChengXiang Zhai](https://md.research.elamur.ai/free/en/authors/chengxiang-zhai/) - [Chi Han](https://md.research.elamur.ai/free/en/authors/chi-han/) - [Hou Pong Chan](https://md.research.elamur.ai/free/en/authors/hou-pong-chan/) - [Ke Yang](https://md.research.elamur.ai/free/en/authors/ke-yang/) - [Manling Li](https://md.research.elamur.ai/free/en/authors/manling-li/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/): [ACL 2024](https://md.research.elamur.ai/free/en/venues/acl/2024/) - [International Conference on Computational Linguistics (COLING)](https://md.research.elamur.ai/free/en/venues/coling/): [COLING 2025](https://md.research.elamur.ai/free/en/venues/coling/2025/) ## Cited by Papers of our library cite their works 119 times (of the 149,439 papers whose bibliographies we read); [39 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/chenkai-sun/cited-by/). Updated 1 November 2026