--- title: "Ran Xu · Emory University — author profile and papers" description: "Ran Xu, Emory University: 2 papers on Elamur Research (2024–2026), h-index 36 — affiliations, topics, co-authors and who cites them in our…" canonical: "https://research.elamur.ai/free/en/authors/ran-xu/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/ran-xu/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Ran Xu # Ran Xu Ran Xu has 2 papers in our library, in 2024–2026, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/); often with [Carl Yang](https://md.research.elamur.ai/free/en/authors/carl-yang/), [Haoyu Wang](https://md.research.elamur.ai/free/en/authors/haoyu-wang/), [Ilgee Hong](https://md.research.elamur.ai/free/en/authors/ilgee-hong/). 2 papers in our library · 2024–2026 [OpenAlex](https://openalex.org/A5100687200) · [ORCID](https://orcid.org/0000-0003-1387-6696) · [Wikidata](https://www.wikidata.org/wiki/Q90710650) · [**h-index 36**](https://openalex.org/authors/A5100687200) · [282 works](https://openalex.org/works?filter=author.id:A5100687200) · [4,855 citations](https://openalex.org/works?filter=author.id:A5100687200&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/ran-xu/#papers) · [🔗 Cited 87 times in our library](https://md.research.elamur.ai/free/en/authors/ran-xu/cited-by/) · [4 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #8479](https://md.research.elamur.ai/free/en/paper-stars/page/85/#star-8479) 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=Ran+Xu) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Ran+Xu) · [dblp](https://dblp.org/search?q=Ran+Xu) · [ACL Anthology](https://aclanthology.org/search/?q=Ran+Xu) ## Affiliations [🏥**Second Xiangya Hospital of Central South University** Changsha · China 2006–2026 · 93 papersEducation 2009–2013 · doctor, urologyEmployment since 2006 · doctors, urology*current*](https://ror.org/053v2gh09) · [🎓**Emory University** Atlanta · United States 2022–2026 · 3 papers*current*](https://md.research.elamur.ai/free/en/universities/emory-university/) · [🎓**University at Albany, State University of New York** Albany · United States 2025–2026 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/university-at-albany-state-university-of-new-york/) · [🎓**Central South University** Changsha · China 2010–2025 · 61 papers](https://md.research.elamur.ai/free/en/universities/central-south-university/) · [🏥**Xiangya Hospital Central South University** Changsha · China 2010–2025 · 36 papers](https://ror.org/05c1yfj14) · [🎓**Capital Medical University** Beijing · China 2020–2025 · 13 papers](https://ror.org/013xs5b60) · [🏥**Xuan Wu Hospital of the Capital Medical University** Beijing · China 2020–2025 · 12 papers](https://ror.org/00k7r7f88) · [🏢**Salesforce** San Francisco · United States 2021–2024 · 12 papers](https://md.research.elamur.ai/free/en/companies/salesforce/) · [🎓**Shandong University** Jinan · China 2017–2021 · 9 papers](https://md.research.elamur.ai/free/en/universities/shandong-university/) · [🎓**University of Connecticut** Storrs · United States 2020–2025 · 8 papers](https://md.research.elamur.ai/free/en/universities/university-of-connecticut/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 83 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 4 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/) 🧭 Topics 1 Research subjects and languages the work is about.[Language models & pretraining · 1 work](https://md.research.elamur.ai/free/en/topics/language-models/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/ran-xu/year/2026/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/ran-xu/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[OpenRubrics: Towards Scalable Synthetic Rubric Generation for Reward Modeling and LLM Alignment](https://md.research.elamur.ai/free/en/papers/liu-2026-openrubrics-scalable-synthetic-rubric-generation/)** *(2026 · 25 citations)* Reward models for RLHF usually output a single score or a pairwise verdict. These signals miss the many dimensions of human preference, especially in subjective tasks where correctness cannot be checked automatically. Rubric-based rewards can help, but rubrics written by experts are costly, and rubrics produced by… 2. **[Boosting Reward Model with Preference-Conditional Multi-Aspect Synthetic Data Generation](https://md.research.elamur.ai/free/en/papers/shen-2024-boosting-reward-model-preference-conditional/)** *(2024 · 5 citations)* Reward models used to align LLMs need preference data: a prompt, two candidate answers and a label saying which is better. ## All works 6 works of theirs in our library, the most cited first; 2 with a page here, the others link their original until we summarise them. 1. **[BOLAA: Benchmarking and Orchestrating LLM-augmented Autonomous Agents ↗](https://arxiv.org/abs/2308.05960) arXiv:2308.05960 · no summary yet**Zhiwei Liu et al.*2023 · 51 citations* 2. **[UniControl: A Unified Diffusion Model for Controllable Visual Generation In the Wild ↗](https://arxiv.org/abs/2305.11147) arXiv (Cornell University) · no summary yet**Can Qin et al.*2023 · 36 citations* 3. **[OpenRubrics: Towards Scalable Synthetic Rubric Generation for Reward Modeling and LLM Alignment](https://md.research.elamur.ai/free/en/papers/liu-2026-openrubrics-scalable-synthetic-rubric-generation/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Tianci Liu, Ran Xu, Tony Yu, et al.*2026 · 25 citations* 4. [**Boosting Reward Model with Preference-Conditional Multi-Aspect Synthetic Data Generation arXiv:2407.16008**Jiaming Shen, Ran Xu, Yennie Jun, et al.*2024 · 5 citations*](https://md.research.elamur.ai/free/en/papers/shen-2024-boosting-reward-model-preference-conditional/) 5. **[ProVision: Programmatically Scaling Vision-centric Instruction Data for Multimodal Language Models ↗](https://arxiv.org/abs/2412.07012) arXiv (Cornell University) · no summary yet**Jieyu Zhang et al.*2024 · 4 citations* 6. **[RAG in the Wild: On the (In)effectiveness of LLMs with Mixture-of-Knowledge Retrieval Augmentation ↗](https://aclanthology.org/2026.findings-acl.849/) Findings of the Association for Computational Linguistics: ACL 2026 · no summary yet**Ran Xu et al.*2026* ## Co-authors here 9 co-authors with a page, the most papers together first. - [Carl Yang](https://md.research.elamur.ai/free/en/authors/carl-yang/) ×2 - [Haoyu Wang](https://md.research.elamur.ai/free/en/authors/haoyu-wang/) - [Ilgee Hong](https://md.research.elamur.ai/free/en/authors/ilgee-hong/) - [Jiaming Shen](https://md.research.elamur.ai/free/en/authors/jiaming-shen/) - [Michael Bendersky](https://md.research.elamur.ai/free/en/authors/michael-bendersky/) - [Simon Baumgartner](https://md.research.elamur.ai/free/en/authors/simon-baumgartner/) - [Tianqi Liu](https://md.research.elamur.ai/free/en/authors/tianqi-liu/) - [Tuo Zhao](https://md.research.elamur.ai/free/en/authors/tuo-zhao/) - [Zhen Qin](https://md.research.elamur.ai/free/en/authors/zhen-qin/) ## 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: ACL 2026 ## Cited by Papers of our library cite their works 87 times (of the 149,439 papers whose bibliographies we read); [18 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/ran-xu/cited-by/). Updated 30 October 2026