--- title: "Pengfei He · University of Manitoba — author profile and papers" description: "Pengfei He, University of Manitoba: 4 papers on Elamur Research (2022–2026), h-index 4 — affiliations, topics, co-authors and who cites…" canonical: "https://research.elamur.ai/free/en/authors/pengfei-he/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/pengfei-he/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Pengfei He # Pengfei He Pengfei He has 4 papers in our library, in 2022–2026, 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/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/); often with [Jiliang Tang](https://md.research.elamur.ai/free/en/authors/jiliang-tang/), [Shenglai Zeng](https://md.research.elamur.ai/free/en/authors/shenglai-zeng/), [Yue Xing](https://md.research.elamur.ai/free/en/authors/yue-xing/). 4 papers in our library · 2022–2026 [OpenAlex](https://openalex.org/A5100310267) · [**h-index 4**](https://openalex.org/authors/A5100310267) · [13 works](https://openalex.org/works?filter=author.id:A5100310267) · [74 citations](https://openalex.org/works?filter=author.id:A5100310267&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 4 works in our library](https://md.research.elamur.ai/free/en/authors/pengfei-he/#papers) · [🔗 Cited 74 times in our library](https://md.research.elamur.ai/free/en/authors/pengfei-he/cited-by/) · [⭐ Paper Stars ranking: #6394](https://md.research.elamur.ai/free/en/paper-stars/page/64/#star-6394) 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=Pengfei+He) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Pengfei+He) · [dblp](https://dblp.org/search?q=Pengfei+He) · [ACL Anthology](https://aclanthology.org/search/?q=Pengfei+He) ## Affiliations [🎓**Michigan State University** East Lansing · United States 2024–2026 · 5 papers*current*](https://md.research.elamur.ai/free/en/universities/michigan-state-university/) · [🎓**University of Manitoba** Winnipeg · Canada 2025–2026 · 3 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-manitoba/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 3 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 6 The field of science this work belongs to (OpenAlex fields).[Computer Science · 4 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Artificial Intelligence · 4 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Arts and Humanities · 3 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Language and Linguistics · 3 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Computer Vision and Pattern Recognition · 2 works](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.[Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) · [Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) · [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/pengfei-he/year/2026/) · [**2025** 2 papers](https://md.research.elamur.ai/free/en/authors/pengfei-he/year/2025/) · [**2022** 1 paper](https://md.research.elamur.ai/free/en/authors/pengfei-he/year/2022/) ## Papers The most cited first (OpenAlex and our library). 1. **[Rainier: Reinforced Knowledge Introspector for Commonsense Question Answering](https://md.research.elamur.ai/free/en/papers/liu-2022-rainier-reinforced-knowledge-introspector-commonsense/)** *(2022 · 82 citations)* Commonsense question answering often improves when a model receives extra background knowledge alongside the question. 2. **[Unveiling Privacy Risks in LLM Agent Memory](https://md.research.elamur.ai/free/en/papers/wang-2025-unveiling-privacy-risks-llm-agent/)** *(2025 · 33 citations)* LLM agents often keep a long-term memory of earlier user queries paired with the solutions they produced, and they reuse these records as in-context examples. 3. **[How Memory Management Impacts LLM Agents: An Empirical Study of Experience-Following Behavior](https://md.research.elamur.ai/free/en/papers/xiong-2026-how-memory-management-impacts-llm/)** *(2026 · 13 citations)* LLM agents often keep an episodic memory of earlier task queries and their execution trajectories, then retrieve similar records as in-context demonstrations. 4. **[Towards Context-Robust LLMs: A Gated Representation Fine-tuning Approach](https://md.research.elamur.ai/free/en/papers/zeng-2025-context-robust-llms-gated-representation/)** *(2025 · 5 citations)* LLMs that receive retrieved passages, as in RAG, tend to trust that text too much. Misleading or off-topic passages can override knowledge the model already has. The authors define a "context-robust" LLM by four behaviours: ## Co-authors here 12 of 20 co-authors with a page, the most papers together first. - [Jiliang Tang](https://md.research.elamur.ai/free/en/authors/jiliang-tang/) ×2 - [Shenglai Zeng](https://md.research.elamur.ai/free/en/authors/shenglai-zeng/) ×2 - [Yue Xing](https://md.research.elamur.ai/free/en/authors/yue-xing/) ×2 - [Zhen Xiang](https://md.research.elamur.ai/free/en/authors/zhen-xiang/) ×2 - [Bo Wang](https://md.research.elamur.ai/free/en/authors/bo-wang/) - [Hannaneh Hajishirzi](https://md.research.elamur.ai/free/en/authors/hannaneh-hajishirzi/) - [Hanqing Lu](https://md.research.elamur.ai/free/en/authors/hanqing-lu/) - [Himabindu Lakkaraju](https://md.research.elamur.ai/free/en/authors/himabindu-lakkaraju/) - [Hui Liu](https://md.research.elamur.ai/free/en/authors/hui-liu/) - [Jiacheng Liu](https://md.research.elamur.ai/free/en/authors/jiacheng-liu/) - [Kai Guo](https://md.research.elamur.ai/free/en/authors/kai-guo/) - [Sean Welleck](https://md.research.elamur.ai/free/en/authors/sean-welleck/) ## 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/) ×3: [ACL 2026](https://md.research.elamur.ai/free/en/venues/acl/2026/), [ACL 2025](https://md.research.elamur.ai/free/en/venues/acl/2025/) ×2 - [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/): [EMNLP 2022](https://md.research.elamur.ai/free/en/venues/emnlp/2022/) ## Cited by Papers of our library cite their works 74 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/pengfei-he/cited-by/). Updated 30 October 2026