--- title: "Yifan Song — author profile and papers — Elamur Research" description: "Yifan Song, University of Illinois Urbana-Champaign: 2 papers on Elamur Research (2022–2023), h-index 20 — affiliations, topics, co-authors…" canonical: "https://research.elamur.ai/free/en/authors/yifan-song/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/yifan-song/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Yifan Song # Yifan Song Yifan Song has 2 papers in our library, in 2022–2023, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/); often with [Cheng Li](https://md.research.elamur.ai/free/en/authors/cheng-li/), [Damai Dai](https://md.research.elamur.ai/free/en/authors/damai-dai/), [Dawei Zhu](https://md.research.elamur.ai/free/en/authors/dawei-zhu/). 2 papers in our library · 2022–2023 [OpenAlex](https://openalex.org/A5065232236) · [ORCID](https://orcid.org/0009-0004-6205-2655) · [Wikidata](https://www.wikidata.org/wiki/Q130801928) · [**h-index 20**](https://openalex.org/authors/A5065232236) · [106 works](https://openalex.org/works?filter=author.id:A5065232236) · [2,000 citations](https://openalex.org/works?filter=author.id:A5065232236&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/yifan-song/#papers) · [🔗 Cited 222 times in our library](https://md.research.elamur.ai/free/en/authors/yifan-song/cited-by/) · [2 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #4556](https://md.research.elamur.ai/free/en/paper-stars/page/46/#star-4556) 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=Yifan+Song) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Yifan+Song) · [dblp](https://dblp.org/search?q=Yifan+Song) · [ACL Anthology](https://aclanthology.org/search/?q=Yifan+Song) ## Affiliations [🎓**University of Illinois Urbana-Champaign** Urbana · United States 2015–2026 · 11 papers*current*](https://md.research.elamur.ai/free/en/universities/university-of-illinois-urbana-champaign/) · [🎓**Fudan University** Shanghai · China 2025–2026 · 5 papers*current*](https://md.research.elamur.ai/free/en/universities/fudan-university/) · [🏢**State Grid Corporation of China** Beijing · China 2021–2026 · 5 papers*current*](https://ror.org/05twwhs70) · [🏢**State Grid Henan Electric Power Company** Zhengzhou · China 2023–2026 · 4 papers*current*](https://ror.org/04sf3y026) · [🎓**Carnegie Mellon University** Pittsburgh · United States 2019–2023 · 17 papers](https://md.research.elamur.ai/free/en/universities/carnegie-mellon-university/) · [🎓**Peking University** Beijing · China 2022–2025 · 15 papers](https://md.research.elamur.ai/free/en/universities/peking-university/) · [🎓**Tsinghua University** Beijing · China 2017–2025 · 13 papers](https://md.research.elamur.ai/free/en/universities/tsinghua-university/) · [🔬**Shanghai Qi Zhi Institute** Shanghai · China 2024–2025 · 11 papers](https://md.research.elamur.ai/free/en/labs/shanghai-qi-zhi-institute/) · [🎓**Beijing Institute of Technology** Beijing · China 2024–2026 · 5 papers](https://md.research.elamur.ai/free/en/universities/beijing-institute-of-technology/) · [🎓**Henan University** Kaifeng · China 2023–2025 · 5 papers](https://ror.org/003xyzq10) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 13 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).[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/) · [Computer Vision and Pattern Recognition · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-vision-and-pattern-recognition/) 🧭 Topics 1 Research subjects and languages the work is about.[Language models & pretraining · 2 works](https://md.research.elamur.ai/free/en/topics/language-models/) ## Works by year ### 2020s [**2023** 1 paper Yifan Song's papers of 2023](https://md.research.elamur.ai/free/en/papers/song-2023-restgpt-connecting-large-language-models/) · [**2022** 1 paper Yifan Song's papers of 2022](https://md.research.elamur.ai/free/en/papers/dong-2022-calibrating-factual-knowledge-pretrained-language/) ## Papers The most cited first (OpenAlex and our library). 1. **[Calibrating Factual Knowledge in Pretrained Language Models](https://md.research.elamur.ai/free/en/papers/dong-2022-calibrating-factual-knowledge-pretrained-language/)** *(2022 · 115 citations)* Pretrained language models (PLMs) are often treated as implicit knowledge bases, but many of the facts they hold are wrong. 2. **[RestGPT: Connecting Large Language Models with Real-World RESTful APIs](https://md.research.elamur.ai/free/en/papers/song-2023-restgpt-connecting-large-language-models/)** *(2023 · 108 citations)* Most tool-augmented LLMs work with a small set of custom-built tools and struggle with multi-step requests, so they fall short in realistic settings. ## All works 4 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. **[Calibrating Factual Knowledge in Pretrained Language Models](https://md.research.elamur.ai/free/en/papers/dong-2022-calibrating-factual-knowledge-pretrained-language/) [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/)**Qingxiu Dong, Damai Dai, Yifan Song, et al.*2022 · 115 citations* 2. [**RestGPT: Connecting Large Language Models with Real-World RESTful APIs arXiv:2306.06624**Yifan Song, Weimin Xiong, Dawei Zhu, et al.*2023 · 108 citations*](https://md.research.elamur.ai/free/en/papers/song-2023-restgpt-connecting-large-language-models/) 3. **[Trial and Error: Exploration-Based Trajectory Optimization of LLM Agents ↗](https://aclanthology.org/2024.acl-long.409/) Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) · no summary yet**Yifan Song et al.*2024 · 52 citations* 4. **[MiMo-Audio: Audio Language Models are Few-Shot Learners ↗](https://arxiv.org/abs/2512.23808) arXiv:2512.23808 · no summary yet**Xiaomi LLM-Core Team et al.*2025 · 24 citations* ## Co-authors here 11 co-authors with a page, the most papers together first. - [Cheng Li](https://md.research.elamur.ai/free/en/authors/cheng-li/) - [Damai Dai](https://md.research.elamur.ai/free/en/authors/damai-dai/) - [Dawei Zhu](https://md.research.elamur.ai/free/en/authors/dawei-zhu/) - [Jingjing Xu](https://md.research.elamur.ai/free/en/authors/jingjing-xu/) - [Ke Wang](https://md.research.elamur.ai/free/en/authors/ke-wang/) - [Lei Li](https://md.research.elamur.ai/free/en/authors/lei-li/) - [Qingxiu Dong](https://md.research.elamur.ai/free/en/authors/qingxiu-dong/) - [Sujian Li](https://md.research.elamur.ai/free/en/authors/sujian-li/) - [Wenhao Wu](https://md.research.elamur.ai/free/en/authors/wenhao-wu/) - [Ye Tian](https://md.research.elamur.ai/free/en/authors/ye-tian/) - [Zhifang Sui](https://md.research.elamur.ai/free/en/authors/zhifang-sui/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/): [Findings of the Association for Computational Linguistics 2022](https://md.research.elamur.ai/free/en/venues/findings/2022/) - Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) ## Cited by Papers of our library cite their works 222 times (of the 141,840 papers whose bibliographies we read); [10 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/yifan-song/cited-by/). Updated 24 October 2026