--- title: "Pengcheng Jiang · Google — author profile and papers" description: "Pengcheng Jiang, Google: 2 papers on Elamur Research (2025–2026), h-index 1 — affiliations, topics, co-authors and who cites them in our library." canonical: "https://research.elamur.ai/free/en/authors/pengcheng-jiang/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/pengcheng-jiang/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Pengcheng Jiang # Pengcheng Jiang Pengcheng Jiang has 2 papers in our library, in 2025–2026; often with [Jiawei Han](https://md.research.elamur.ai/free/en/authors/jiawei-han/), [Jinfeng Xiao](https://md.research.elamur.ai/free/en/authors/jinfeng-xiao/), [Xueqiang Xu](https://md.research.elamur.ai/free/en/authors/xueqiang-xu/). 2 papers in our library · 2025–2026 [OpenAlex](https://openalex.org/A5125489272) · [ORCID](https://orcid.org/0000-0001-9925-3777) · [**h-index 1**](https://openalex.org/authors/A5125489272) · [13 works](https://openalex.org/works?filter=author.id:A5125489272) · [3 citations](https://openalex.org/works?filter=author.id:A5125489272&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/pengcheng-jiang/#papers) · [🔗 Cited 11 times in our library](https://md.research.elamur.ai/free/en/authors/pengcheng-jiang/cited-by/) · [⭐ Paper Stars ranking: #10943](https://md.research.elamur.ai/free/en/paper-stars/page/110/#star-10943) 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=Pengcheng+Jiang) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Pengcheng+Jiang) · [dblp](https://dblp.org/search?q=Pengcheng+Jiang) · [ACL Anthology](https://aclanthology.org/search/?q=Pengcheng+Jiang) ## Affiliations [🎓**University of Illinois Urbana-Champaign** Urbana · United States 2025–2026 · 9 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-illinois-urbana-champaign/) · [🏢**Google** Mountain View · United States 2026 · 1 paper*current*](https://md.research.elamur.ai/free/en/companies/google/) · [🎓**University of California, Berkeley** Berkeley · United States 2026 · 1 paper*current*](https://md.research.elamur.ai/free/en/universities/university-of-california-berkeley/) 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 5 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/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/pengcheng-jiang/year/2026/) · [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/pengcheng-jiang/year/2025/) ## Papers The most cited first (OpenAlex and our library). 1. **[s3: You Don't Need That Much Data to Train a Search Agent via RL](https://md.research.elamur.ai/free/en/papers/jiang-2025-s3-you-don-t-need/)** *(2025 · 12 citations)* Training LLM search agents with reinforcement learning usually takes one of two routes. Some methods reward retrieval metrics such as NDCG, which may not reflect answer quality. Others fine-tune a single model to both search and answer, which mixes the two skills and rules out frozen or proprietary generators. The… 2. **[Zero-Shot Open-Schema Entity Structure Discovery](https://md.research.elamur.ai/free/en/papers/xu-2026-zero-shot-open-schema-entity/)** *(2026)* Most LLM-based methods for extracting entities and their attribute–value descriptions depend on a fixed schema or labeled examples, so they miss attributes nobody anticipated. ## Co-authors here 10 co-authors with a page, the most papers together first. - [Jiawei Han](https://md.research.elamur.ai/free/en/authors/jiawei-han/) ×2 - [Jinfeng Xiao](https://md.research.elamur.ai/free/en/authors/jinfeng-xiao/) ×2 - [Xueqiang Xu](https://md.research.elamur.ai/free/en/authors/xueqiang-xu/) ×2 - [Geeth De Mel](https://md.research.elamur.ai/free/en/authors/geeth-de-mel/) - [James Barry](https://md.research.elamur.ai/free/en/authors/james-barry/) - [Jiaru Zou](https://md.research.elamur.ai/free/en/authors/jiaru-zou/) - [Jimeng Sun](https://md.research.elamur.ai/free/en/authors/jimeng-sun/) - [Mohab Elkaref](https://md.research.elamur.ai/free/en/authors/mohab-elkaref/) - [Yunyi Zhang](https://md.research.elamur.ai/free/en/authors/yunyi-zhang/) - [Zifeng Wang](https://md.research.elamur.ai/free/en/authors/zifeng-wang/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Conference of the European Chapter of the Association for Computational Linguistics (EACL)](https://md.research.elamur.ai/free/en/venues/eacl/): [EACL 2026](https://md.research.elamur.ai/free/en/venues/eacl/2026/) - [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 11 times (of the 149,439 papers whose bibliographies we read); [5 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/pengcheng-jiang/cited-by/). Updated 2 November 2026