--- title: "Siliang Xu · Fudan University — author profile and papers" description: "Siliang Xu, Fudan University: 2 papers on Elamur Research (2024–2025), h-index 3 — affiliations, topics, co-authors and who cites them in…" canonical: "https://research.elamur.ai/free/en/authors/siliang-xu/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/siliang-xu/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Siliang Xu # Siliang Xu Siliang Xu 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/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/), [Information retrieval & search](https://md.research.elamur.ai/free/en/topics/information-retrieval/); often with [Cheng Niu](https://md.research.elamur.ai/free/en/authors/cheng-niu/), [Haiyang Yu](https://md.research.elamur.ai/free/en/authors/haiyang-yu/), [Han Wang](https://md.research.elamur.ai/free/en/authors/han-wang/). 2 papers in our library · 2024–2025 [OpenAlex](https://openalex.org/A5109734918) · [**h-index 3**](https://openalex.org/authors/A5109734918) · [7 works](https://openalex.org/works?filter=author.id:A5109734918) · [113 citations](https://openalex.org/works?filter=author.id:A5109734918&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/siliang-xu/#papers) · [🔗 Cited 116 times in our library](https://md.research.elamur.ai/free/en/authors/siliang-xu/cited-by/) · [⭐ Paper Stars ranking: #6278](https://md.research.elamur.ai/free/en/paper-stars/page/63/#star-6278) 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=Siliang+Xu) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Siliang+Xu) · [dblp](https://dblp.org/search?q=Siliang+Xu) · [ACL Anthology](https://aclanthology.org/search/?q=Siliang+Xu) ## Affiliations [🎓**Fudan University** Shanghai · China 2025 · 1 paper*current*](https://md.research.elamur.ai/free/en/universities/fudan-university/) · [🎓**University of Illinois Urbana-Champaign** Urbana · United States 2023–2024 · 2 papers](https://md.research.elamur.ai/free/en/universities/university-of-illinois-urbana-champaign/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. ## 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 · 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/) · [Information Systems · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) · [Computer Vision and Pattern Recognition · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-vision-and-pattern-recognition/) 🧭 Topics 3 Research subjects and languages the work is about.[Language models & pretraining · 2 works](https://md.research.elamur.ai/free/en/topics/language-models/) · [Information retrieval & search · 1 work](https://md.research.elamur.ai/free/en/topics/information-retrieval/) · [Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) 💡 Concepts 1 Key ideas and methods explained on our concept pages.[Retrieval-augmented generation · 1 work](https://md.research.elamur.ai/free/en/concepts/retrieval-augmented-generation/) ## Works by year ### 2020s [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/siliang-xu/year/2025/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/siliang-xu/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[RAGTruth: A Hallucination Corpus for Developing Trustworthy Retrieval-Augmented Language Models](https://md.research.elamur.ai/free/en/papers/niu-2024-ragtruth-hallucination-corpus-developing-trustworthy/)** *(2024 · 207 citations)* Retrieval-augmented generation (RAG) is meant to keep large language models anchored to supplied sources, yet models still produce claims that the retrieved material does not support or that contradict it. 2. **[Prolonged Reasoning Is Not All You Need: Certainty-Based Adaptive Routing for Efficient LLM/MLLM Reasoning](https://md.research.elamur.ai/free/en/papers/lu-2025-prolonged-reasoning-all-need-certainty/)** *(2025 · 11 citations)* Reasoning-tuned LLMs and MLLMs tend to produce long chain-of-thought output for every query. This costs many tokens and can even hurt accuracy on easy, fact-based questions. A pilot with Qwen2.5-0.5B on text-rich VQA and KIE data showed that direct answers were both more accurate and far cheaper than reasoning-based… ## Co-authors here 11 co-authors with a page, the most papers together first. - [Cheng Niu](https://md.research.elamur.ai/free/en/authors/cheng-niu/) - [Haiyang Yu](https://md.research.elamur.ai/free/en/authors/haiyang-yu/) - [Han Wang](https://md.research.elamur.ai/free/en/authors/han-wang/) - [Hao Feng](https://md.research.elamur.ai/free/en/authors/hao-feng/) - [Jinghui Lu](https://md.research.elamur.ai/free/en/authors/jinghui-lu/) - [Jingqun Tang](https://md.research.elamur.ai/free/en/authors/jingqun-tang/) - [Juno Zhu](https://md.research.elamur.ai/free/en/authors/juno-zhu/) - [Juntong Song](https://md.research.elamur.ai/free/en/authors/juntong-song/) - [KaShun Shum](https://md.research.elamur.ai/free/en/authors/kashun-shum/) - [Tong Zhang](https://md.research.elamur.ai/free/en/authors/tong-zhang/) - [Yuanhao Wu](https://md.research.elamur.ai/free/en/authors/yuanhao-wu/) ## 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/) ## Cited by Papers of our library cite their works 116 times (of the 149,439 papers whose bibliographies we read); [37 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/siliang-xu/cited-by/). Updated 31 October 2026