--- title: "Haijun Lv · Central South University — author profile and papers" description: "Haijun Lv, Central South University: 3 papers on Elamur Research (2024–2026), h-index 2 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/haijun-lv/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/haijun-lv/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Haijun Lv # Haijun Lv Haijun Lv has 3 papers in our library, in 2024–2026, most of them on [Evaluation & benchmarks](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/), [English](https://md.research.elamur.ai/free/en/topics/english/); often with [Yicheng Zou](https://md.research.elamur.ai/free/en/authors/yicheng-zou/), [Dahua Lin](https://md.research.elamur.ai/free/en/authors/dahua-lin/), [Hang Yan](https://md.research.elamur.ai/free/en/authors/hang-yan/). 3 papers in our library · 2024–2026 [OpenAlex](https://openalex.org/A5111354807) · [**h-index 2**](https://openalex.org/authors/A5111354807) · [3 works](https://openalex.org/works?filter=author.id:A5111354807) · [5 citations](https://openalex.org/works?filter=author.id:A5111354807&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 3 works in our library](https://md.research.elamur.ai/free/en/authors/haijun-lv/#papers) · [🔗 Cited 22 times in our library](https://md.research.elamur.ai/free/en/authors/haijun-lv/cited-by/) · [⭐ Paper Stars ranking: #8793](https://md.research.elamur.ai/free/en/paper-stars/page/88/#star-8793) 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=Haijun+Lv) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Haijun+Lv) · [dblp](https://dblp.org/search?q=Haijun+Lv) · [ACL Anthology](https://aclanthology.org/search/?q=Haijun+Lv) ## Affiliations [🎓**Central South University** Changsha · China 2024–2025 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/central-south-university/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 1 more institution 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 3 Research subjects and languages the work is about.[English · 1 work](https://md.research.elamur.ai/free/en/topics/english/) · [Evaluation & benchmarks · 1 work](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/) · [Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/haijun-lv/year/2026/) · [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/haijun-lv/year/2025/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/haijun-lv/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[What are the Essential Factors in Crafting Effective Long Context Multi-Hop Instruction Datasets? Insights and Best Practices](https://md.research.elamur.ai/free/en/papers/chen-2025-what-are-essential-factors-crafting/)** *(2025 · 15 citations)* Instruction-tuning LLMs for long contexts requires large amounts of training data, and human annotation of such data is expensive. 2. **[WanJuan-CC: A Safe and High-Quality Open-sourced English Webtext Dataset](https://md.research.elamur.ai/free/en/papers/qiu-2024-wanjuan-cc-safe-high-quality/)** *(2024 · 5 citations)* Large language models need trillions of tokens of clean text. Common Crawl is the obvious free source, but it is full of broken formatting, duplicates, ads, toxic and pornographic pages, and personal data. The authors built a processing chain for English Common Crawl pages from 90 dumps, starting in 2013. The chain… 3. **[Which Reasoning Trajectories Teach Students to Reason Better? A Simple Metric of Informative Alignment](https://md.research.elamur.ai/free/en/papers/yang-2026-which-reasoning-trajectories-teach-students/)** *(2026 · 4 citations)* Distilling reasoning from a teacher LLM into a student through SFT on long chain-of-thought (CoT) traces does not reliably improve with teacher strength. ## Co-authors here 12 of 17 co-authors with a page, the most papers together first. - [Yicheng Zou](https://md.research.elamur.ai/free/en/authors/yicheng-zou/) ×2 - [Dahua Lin](https://md.research.elamur.ai/free/en/authors/dahua-lin/) - [Hang Yan](https://md.research.elamur.ai/free/en/authors/hang-yan/) - [Jun Zhao](https://md.research.elamur.ai/free/en/authors/jun-zhao/) - [Kai Chen](https://md.research.elamur.ai/free/en/authors/kai-chen/) - [Libo Qin](https://md.research.elamur.ai/free/en/authors/libo-qin/) - [Mingqi Wu](https://md.research.elamur.ai/free/en/authors/mingqi-wu/) - [Pei Chu](https://md.research.elamur.ai/free/en/authors/pei-chu/) - [Qiguang Chen](https://md.research.elamur.ai/free/en/authors/qiguang-chen/) - [Qipeng Guo](https://md.research.elamur.ai/free/en/authors/qipeng-guo/) - [Rui Wang](https://md.research.elamur.ai/free/en/authors/rui-wang/) - [Xiaoran Fan](https://md.research.elamur.ai/free/en/authors/xiaoran-fan/) ## 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/) ×2: [ACL 2026](https://md.research.elamur.ai/free/en/venues/acl/2026/), [ACL 2025](https://md.research.elamur.ai/free/en/venues/acl/2025/) ## Cited by Papers of our library cite their works 22 times (of the 149,439 papers whose bibliographies we read); [6 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/haijun-lv/cited-by/). Updated 1 November 2026