--- title: "Anastasios N. Angelopoulos · Orano — author profile and papers" description: "Anastasios N. Angelopoulos, Orano: 2 papers on Elamur Research (2021–2024), h-index 18 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Anastasios N. Angelopoulos # Anastasios N. Angelopoulos Anastasios N. Angelopoulos has 2 papers in our library, in 2021–2024, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Dialogue systems](https://md.research.elamur.ai/free/en/topics/dialogue-systems/), [Evaluation & benchmarks](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/); often with [Banghua Zhu](https://md.research.elamur.ai/free/en/authors/banghua-zhu/), [Dacheng Li](https://md.research.elamur.ai/free/en/authors/dacheng-li/), [Hao Zhang](https://md.research.elamur.ai/free/en/authors/hao-zhang/). 2 papers in our library · 2021–2024 [OpenAlex](https://openalex.org/A5019661690) · [ORCID](https://orcid.org/0000-0001-9787-0579) · [Wikidata](https://www.wikidata.org/wiki/Q125896608) · [**h-index 18**](https://openalex.org/authors/A5019661690) · [62 works](https://openalex.org/works?filter=author.id:A5019661690) · [1,938 citations](https://openalex.org/works?filter=author.id:A5019661690&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/#papers) · [🔗 Cited 561 times in our library](https://md.research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/cited-by/) · [7 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #3727](https://md.research.elamur.ai/free/en/paper-stars/page/38/#star-3727) 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=Anastasios+N.+Angelopoulos) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Anastasios+N.+Angelopoulos) · [dblp](https://dblp.org/search?q=Anastasios+N.+Angelopoulos) · [ACL Anthology](https://aclanthology.org/search/?q=Anastasios+N.+Angelopoulos) ## Affiliations [🎓**University of California, Berkeley** Berkeley · United States 2019–2026 · 38 papersEmployment 2019–2024 · Electrical Engineering and Computer Sciences*current*](https://md.research.elamur.ai/free/en/universities/university-of-california-berkeley/) · [🏢**Orano** Washington D.C. · United States 2026 · 1 paper*current*](https://ror.org/04eb8df09) · [🎓**Stanford University** Stanford · United States 2019–2020 · 3 papers](https://md.research.elamur.ai/free/en/universities/stanford-university/) 🏛️**Arena** San Francisco · [United States](https://md.research.elamur.ai/free/en/countries/united-states/) 2024Employment since 2024 · CEO From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 4 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 5 The field of science this work belongs to (OpenAlex fields).[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/) · [Arts and Humanities · 1 work](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Networks and Communications · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-networks-and-communications/) · [Language and Linguistics · 1 work](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) 🧭 Topics 3 Research subjects and languages the work is about.[Dialogue systems · 1 work](https://md.research.elamur.ai/free/en/topics/dialogue-systems/) · [Evaluation & benchmarks · 1 work](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/) · [Language models & pretraining · 1 work](https://md.research.elamur.ai/free/en/topics/language-models/) 💡 Concepts 1 Key ideas and methods explained on our concept pages.[Chatbots · 1 work](https://md.research.elamur.ai/free/en/concepts/chatbot/) ## Works by year ### 2020s [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/year/2024/) · [**2021** 1 paper](https://md.research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/year/2021/) ## Papers The most cited first (OpenAlex and our library). 1. **[Chatbot Arena: An Open Platform for Evaluating LLMs by Human Preference](https://md.research.elamur.ai/free/en/papers/chiang-2024-chatbot-arena-open-platform-evaluating/)** *(2024 · 546 citations)* The authors show that conventional LLM benchmarks poorly reflect how models are actually used. These are fixed sets of closed-ended questions with reference answers: over time they leak into training data, become saturated, and do not account for human preferences in open-ended tasks. As an alternative, they propose… 2. **[A Gentle Introduction to Conformal Prediction and Distribution-Free Uncertainty Quantification](https://md.research.elamur.ai/free/en/papers/angelopoulos-2021-gentle-introduction-conformal-prediction-distribution/)** *(2021 · 79 citations)* Modern machine learning models that operate as a "black box" are increasingly deployed in high-stakes domains such as medicine. ## All works 9 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. [**Chatbot Arena: An Open Platform for Evaluating LLMs by Human Preference arXiv:2403.04132**Wei-Lin Chiang, Lianmin Zheng, Ying Sheng, et al.*2024 · 546 citations*](https://md.research.elamur.ai/free/en/papers/chiang-2024-chatbot-arena-open-platform-evaluating/) 2. [**A Gentle Introduction to Conformal Prediction and Distribution-Free Uncertainty Quantification arXiv:2107.07511**Anastasios N. Angelopoulos, Stephen Bates*2021 · 79 citations*](https://md.research.elamur.ai/free/en/papers/angelopoulos-2021-gentle-introduction-conformal-prediction-distribution/) 3. **[How to Evaluate Reward Models for RLHF ↗](https://arxiv.org/abs/2410.14872) arXiv:2410.14872 · no summary yet**Evan Frick et al.*2024 · 31 citations* 4. **[Search Arena: Analyzing Search-Augmented LLMs ↗](https://arxiv.org/abs/2506.05334) arXiv (Cornell University) · no summary yet**Mihran Miroyan et al.*2025 · 11 citations* 5. **[Copilot Arena: A Platform for Code LLM Evaluation in the Wild ↗](https://arxiv.org/abs/2502.09328) arXiv (Cornell University) · no summary yet**Wayne Chi et al.*2025 · 9 citations* 6. **[Prompt-to-Leaderboard ↗](https://arxiv.org/abs/2502.14855) arXiv (Cornell University) · no summary yet**Evan Frick et al.*2025 · 9 citations* 7. **[Specifications: The missing link to making the development of LLM systems an engineering discipline ↗](https://arxiv.org/abs/2412.05299) arXiv (Cornell University) · no summary yet**Ion Gabriel Stoica et al.*2024 · 4 citations* 8. **[EDIT-Bench: Evaluating LLM Abilities to Perform Real-World Instructed Code Edits ↗](https://arxiv.org/abs/2511.04486) arXiv (Cornell University) · no summary yet**Wayne Chi et al.*2025 · 2 citations* 9. **[Post-Training Frontier Text-to-Image Models by Composing Preference and Rubric Rewards ↗](https://arxiv.org/abs/2610.02967) arXiv (Cornell University) · no summary yet**Yuanhao Ban et al.*2026* ## Co-authors here 10 co-authors with a page, the most papers together first. - [Banghua Zhu](https://md.research.elamur.ai/free/en/authors/banghua-zhu/) - [Dacheng Li](https://md.research.elamur.ai/free/en/authors/dacheng-li/) - [Hao Zhang](https://md.research.elamur.ai/free/en/authors/hao-zhang/) - [Ion Gabriel Stoica](https://md.research.elamur.ai/free/en/authors/ion-gabriel-stoica/) - [Joseph E. Gonzalez](https://md.research.elamur.ai/free/en/authors/joseph-e-gonzalez/) - [Lianmin Zheng](https://md.research.elamur.ai/free/en/authors/lianmin-zheng/) - [Michael I. Jordan](https://md.research.elamur.ai/free/en/authors/michael-i-jordan/) - [Tianle Li](https://md.research.elamur.ai/free/en/authors/tianle-li/) - [Wei-Lin Chiang](https://md.research.elamur.ai/free/en/authors/wei-lin-chiang/) - [Ying Sheng](https://md.research.elamur.ai/free/en/authors/ying-sheng/) ## Cited by Papers of our library cite their works 561 times (of the 149,439 papers whose bibliographies we read); [148 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/anastasios-n-angelopoulos/cited-by/). Updated 2 November 2026