--- title: "Lei Fang — author profile and papers — Elamur Research" description: "Lei Fang: 2 papers on Elamur Research (2025) — affiliations, topics, co-authors and who cites them in our library." canonical: "https://research.elamur.ai/free/en/authors/lei-fang/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/lei-fang/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Lei Fang # Lei Fang Lei Fang has 2 papers in our library, in 2025, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Question answering](https://md.research.elamur.ai/free/en/topics/question-answering/), [Information retrieval & search](https://md.research.elamur.ai/free/en/topics/information-retrieval/); often with [Jinhao Jiang](https://md.research.elamur.ai/free/en/authors/jinhao-jiang/), [Wayne Xin Zhao](https://md.research.elamur.ai/free/en/authors/wayne-xin-zhao/), [Huatong Song](https://md.research.elamur.ai/free/en/authors/huatong-song/). 2 papers in our library · 2025 No OpenAlex profile matched yet. [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/lei-fang/#papers) · [🔗 Cited 138 times in our library](https://md.research.elamur.ai/free/en/authors/lei-fang/cited-by/) · [⭐ Paper Stars ranking: #6253](https://md.research.elamur.ai/free/en/paper-stars/page/63/#star-6253) 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=Lei+Fang) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Lei+Fang) · [dblp](https://dblp.org/search?q=Lei+Fang) · [ACL Anthology](https://aclanthology.org/search/?q=Lei+Fang) ## 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/) · [Information Systems · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) · [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 3 Research subjects and languages the work is about.[Language models & pretraining · 1 work](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/) · [Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) ## Works by year ### 2020s [**2025** 2 papers](https://md.research.elamur.ai/free/en/authors/lei-fang/year/2025/) ## Papers The most cited first (OpenAlex and our library). 1. **[R1-Searcher: Incentivizing the Search Capability in LLMs via Reinforcement Learning](https://md.research.elamur.ai/free/en/papers/song-2025-r1-searcher-incentivizing-search/)** *(2025 · 141 citations)* Reasoning-oriented LLMs trained with RL perform well on maths and code, but they depend on what they memorised. 2. **[CAFE: Retrieval Head-based Coarse-to-Fine Information Seeking to Enhance Multi-Document QA Capability](https://md.research.elamur.ai/free/en/papers/peng-2025-cafe-retrieval-head-based-coarse/)** *(2025 · 4 citations)* Long-context LLMs answer multi-document questions poorly once the evidence is buried among many irrelevant or distracting documents. ## Co-authors here 8 co-authors with a page, the most papers together first. - [Jinhao Jiang](https://md.research.elamur.ai/free/en/authors/jinhao-jiang/) ×2 - [Wayne Xin Zhao](https://md.research.elamur.ai/free/en/authors/wayne-xin-zhao/) ×2 - [Huatong Song](https://md.research.elamur.ai/free/en/authors/huatong-song/) - [Ji-Rong Wen](https://md.research.elamur.ai/free/en/authors/ji-rong-wen/) - [Jie Chen](https://md.research.elamur.ai/free/en/authors/jie-chen/) - [Yingqian Min](https://md.research.elamur.ai/free/en/authors/yingqian-min/) - [Zhipeng Chen](https://md.research.elamur.ai/free/en/authors/zhipeng-chen/) - [Zican Dong](https://md.research.elamur.ai/free/en/authors/zican-dong/) ## 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/) ## Cited by Papers of our library cite their works 138 times (of the 149,439 papers whose bibliographies we read); [40 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/lei-fang/cited-by/). Updated 31 October 2026