--- title: "Yichen Xu — author profile and papers · Question answering" description: "Yichen Xu, Shanghai Jiao Tong University: 2 papers on Elamur Research (2026), h-index 10 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/yichen-xu/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/yichen-xu/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Yichen Xu # Yichen Xu Yichen Xu has 2 papers in our library, in 2026, most of them on [Question answering](https://md.research.elamur.ai/free/en/topics/question-answering/), [Multilingual & cross-lingual NLP](https://md.research.elamur.ai/free/en/topics/multilingual-nlp/), [Vision & language](https://md.research.elamur.ai/free/en/topics/multimodal/); often with [Jianzhe Ma](https://md.research.elamur.ai/free/en/authors/jianzhe-ma/), [Liangyu Chen](https://md.research.elamur.ai/free/en/authors/liangyu-chen/), [Qin Jin](https://md.research.elamur.ai/free/en/authors/qin-jin/). 2 papers in our library · 2026 [OpenAlex](https://openalex.org/A5100705957) · [ORCID](https://orcid.org/0009-0001-9557-3455) · [**h-index 10**](https://openalex.org/authors/A5100705957) · [37 works](https://openalex.org/works?filter=author.id:A5100705957) · [355 citations](https://openalex.org/works?filter=author.id:A5100705957&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/yichen-xu/#papers) · [⭐ Paper Stars ranking: #12659](https://md.research.elamur.ai/free/en/paper-stars/page/127/#star-12659) 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=Yichen+Xu) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Yichen+Xu) · [dblp](https://dblp.org/search?q=Yichen+Xu) · [ACL Anthology](https://aclanthology.org/search/?q=Yichen+Xu) ## Affiliations [🎓**Renmin University of China** Beijing · China 2024–2026 · 3 papers*current*](https://md.research.elamur.ai/free/en/universities/renmin-university-of-china/) · [🎓**Shanghai Jiao Tong University** Shanghai · China 2026 · 1 paper*current*](https://md.research.elamur.ai/free/en/universities/shanghai-jiao-tong-university/) · [🎓**East China Jiaotong University** Nanchang · China 2016–2019 · 6 papers](https://ror.org/05x2f1m38) · [🎓**Sichuan University** Chengdu · China 2022–2023 · 3 papers](https://md.research.elamur.ai/free/en/universities/sichuan-university/) · [🔬**State Key Laboratory of Oral Diseases** Chengdu 2022–2023 · 3 papers](https://ror.org/00pvqk557) · [🎓**Wuhan University** Wuhan · China 2024–2025 · 2 papers](https://md.research.elamur.ai/free/en/universities/wuhan-university/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 12 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).[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/) · [Computer Vision and Pattern Recognition · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-vision-and-pattern-recognition/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Economics and Econometrics · 1 work](https://md.research.elamur.ai/free/en/shelves/economics-econometrics-and-finance/economics-and-econometrics/) · [Economics, Econometrics and Finance · 1 work](https://md.research.elamur.ai/free/en/shelves/economics-econometrics-and-finance/) 🧭 Topics 3 Research subjects and languages the work is about.[Multilingual & cross-lingual NLP · 1 work](https://md.research.elamur.ai/free/en/topics/multilingual-nlp/) · [Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) · [Vision & language · 1 work](https://md.research.elamur.ai/free/en/topics/multimodal/) ## Works by year ### 2020s [**2026** 2 papers](https://md.research.elamur.ai/free/en/authors/yichen-xu/year/2026/) ## Papers The most cited first (OpenAlex and our library). 1. **[POLYCHARTQA: Benchmarking Large Vision-Language Models with Multilingual Chart Question Answering](https://md.research.elamur.ai/free/en/papers/xu-2026-polychartqa-benchmarking-large-vision-language/)** *(2026 · 2 citations)* Benchmarks for chart understanding are almost entirely in English, so little is known about how large vision-language models (LVLMs) handle charts in other languages. 2. **[A Survey of Large Models in Sports](https://md.research.elamur.ai/free/en/papers/xu-2026-survey-large-models-sports/)** *(2026)* This survey maps how large models, especially LLMs and MLLMs such as GPT-4 and Gemini, are being applied to sports. ## Co-authors here 7 co-authors with a page, the most papers together first. - [Jianzhe Ma](https://md.research.elamur.ai/free/en/authors/jianzhe-ma/) ×2 - [Liangyu Chen](https://md.research.elamur.ai/free/en/authors/liangyu-chen/) ×2 - [Qin Jin](https://md.research.elamur.ai/free/en/authors/qin-jin/) ×2 - [Wenxuan Wang](https://md.research.elamur.ai/free/en/authors/wenxuan-wang/) ×2 - [Chuhan Wang](https://md.research.elamur.ai/free/en/authors/chuhan-wang/) - [Liang Zhang](https://md.research.elamur.ai/free/en/authors/liang-zhang/) - [Zihao Yue](https://md.research.elamur.ai/free/en/authors/zihao-yue/) ## 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 2026](https://md.research.elamur.ai/free/en/venues/acl/2026/) - [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/) Updated 2 November 2026