--- title: "Kai He — author profile and papers · Question answering" description: "Kai He, National University of Singapore: 2 papers on Elamur Research (2023–2026), h-index 18 — affiliations, topics, co-authors and who…" canonical: "https://research.elamur.ai/free/en/authors/kai-he/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/kai-he/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Kai He # Kai He Kai He has 2 papers in our library, in 2023–2026, most of them on [Question answering](https://md.research.elamur.ai/free/en/topics/question-answering/), [Evaluation & benchmarks](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/), [Bias, fairness & safety](https://md.research.elamur.ai/free/en/topics/bias-fairness-safety/); often with [Dongyan Zhao](https://md.research.elamur.ai/free/en/authors/dongyan-zhao/), [Erik Cambria](https://md.research.elamur.ai/free/en/authors/erik-cambria/), [Mengling Feng](https://md.research.elamur.ai/free/en/authors/mengling-feng/). 2 papers in our library · 2023–2026 [OpenAlex](https://openalex.org/A5101407801) · [ORCID](https://orcid.org/0000-0003-2639-1532) · [**h-index 18**](https://openalex.org/authors/A5101407801) · [54 works](https://openalex.org/works?filter=author.id:A5101407801) · [1,173 citations](https://openalex.org/works?filter=author.id:A5101407801&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/kai-he/#papers) · [🔗 Cited 59 times in our library](https://md.research.elamur.ai/free/en/authors/kai-he/cited-by/) · [⭐ Paper Stars ranking: #8214](https://md.research.elamur.ai/free/en/paper-stars/page/83/#star-8214) 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=Kai+He) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Kai+He) · [dblp](https://dblp.org/search?q=Kai+He) · [ACL Anthology](https://aclanthology.org/search/?q=Kai+He) ## Affiliations [🎓**National University of Singapore** Singapore · Singapore 2023–2026 · 29 papers*current*](https://md.research.elamur.ai/free/en/universities/national-university-of-singapore/) · [🎓**Xi'an Jiaotong University** Xi'an · China 2019–2024 · 14 papers](https://md.research.elamur.ai/free/en/universities/xi-an-jiaotong-university/) · [🎓**Fudan University** Shanghai · China 2013–2014 · 2 papers](https://md.research.elamur.ai/free/en/universities/fudan-university/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 3 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 7 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [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/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Health Informatics · 1 work](https://md.research.elamur.ai/free/en/shelves/medicine/health-informatics/) · [Medicine · 1 work](https://md.research.elamur.ai/free/en/shelves/medicine/) · [Information Systems · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) 🧭 Topics 3 Research subjects and languages the work is about.[Bias, fairness & safety · 1 work](https://md.research.elamur.ai/free/en/topics/bias-fairness-safety/) · [Evaluation & benchmarks · 1 work](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/) · [Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/kai-he/year/2026/) · [**2023** 1 paper](https://md.research.elamur.ai/free/en/authors/kai-he/year/2023/) ## Papers The most cited first (OpenAlex and our library). 1. **[A Survey of Large Language Models for Healthcare: from Data, Technology, and Applications to Accountability and Ethics](https://md.research.elamur.ai/free/en/papers/he-2023-survey-large-language-models-healthcare/)** *(2023 · 86 citations)* This survey asks how large language models are changing healthcare AI and what still prevents their real-world use. 2. **[Curriculum Learning based Hierarchical Scoring and Analysis Framework for Question Answering Task Evaluation](https://md.research.elamur.ai/free/en/papers/wu-2026-curriculum-learning-based-hierarchical-scoring/)** *(2026)* Evaluating question answering (QA) outputs from LLMs at scale is hard. Lexical metrics such as EM, F1 or BLEU miss semantic equivalence. LLM-as-a-Judge setups based on commercial APIs are slow and expensive and rarely explain why an answer failed. HiEval addresses both problems with two models trained in sequence… ## Co-authors here 9 co-authors with a page, the most papers together first. - [Dongyan Zhao](https://md.research.elamur.ai/free/en/authors/dongyan-zhao/) - [Erik Cambria](https://md.research.elamur.ai/free/en/authors/erik-cambria/) - [Mengling Feng](https://md.research.elamur.ai/free/en/authors/mengling-feng/) - [Qika Lin](https://md.research.elamur.ai/free/en/authors/qika-lin/) - [Qiong Wu](https://md.research.elamur.ai/free/en/authors/qiong-wu/) - [Rui Mao](https://md.research.elamur.ai/free/en/authors/rui-mao/) - [Shuai Zhao](https://md.research.elamur.ai/free/en/authors/shuai-zhao/) - [Xiang Lan](https://md.research.elamur.ai/free/en/authors/xiang-lan/) - [Zhen Li](https://md.research.elamur.ai/free/en/authors/zhen-li/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/): [Findings of the Association for Computational Linguistics 2026](https://md.research.elamur.ai/free/en/venues/findings/2026/) ## Cited by Papers of our library cite their works 59 times (of the 149,439 papers whose bibliographies we read); [13 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/kai-he/cited-by/). Updated 2 November 2026