--- title: "Sijia Liu · Hunan University — author profile and papers" description: "Sijia Liu, Hunan University: 2 papers on Elamur Research (2024–2026), h-index 32 — affiliations, topics, co-authors and who cites them in…" canonical: "https://research.elamur.ai/free/en/authors/sijia-liu/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/sijia-liu/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Sijia Liu # Sijia Liu Sijia Liu 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 [Jinghan Jia](https://md.research.elamur.ai/free/en/authors/jinghan-jia/), [Anil Ramakrishna](https://md.research.elamur.ai/free/en/authors/anil-ramakrishna/), [Kai-Wei Chang](https://md.research.elamur.ai/free/en/authors/kai-wei-chang/). 2 papers in our library · 2024–2026 [OpenAlex](https://openalex.org/A5100321843) · [ORCID](https://orcid.org/0000-0003-2817-6991) · [Wikidata](https://www.wikidata.org/wiki/Q130981459) · [**h-index 32**](https://openalex.org/authors/A5100321843) · [257 works](https://openalex.org/works?filter=author.id:A5100321843) · [4,004 citations](https://openalex.org/works?filter=author.id:A5100321843&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/sijia-liu/#papers) · [🔗 Cited 127 times in our library](https://md.research.elamur.ai/free/en/authors/sijia-liu/cited-by/) · [1 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #7806](https://md.research.elamur.ai/free/en/paper-stars/page/79/#star-7806) 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=Sijia+Liu) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Sijia+Liu) · [dblp](https://dblp.org/search?q=Sijia+Liu) · [ACL Anthology](https://aclanthology.org/search/?q=Sijia+Liu) ## Affiliations [🎓**Hunan University** Changsha · China 2026 · 1 paper*current*](https://md.research.elamur.ai/free/en/universities/hunan-university/) · [🎓**Michigan State University** East Lansing · United States 2020–2025 · 81 papers](https://md.research.elamur.ai/free/en/universities/michigan-state-university/) · [🏢**IBM** Armonk · United States 2018–2025 · 52 papers](https://md.research.elamur.ai/free/en/companies/ibm/) · [🎓**Massachusetts Institute of Technology** Cambridge · United States 2018–2025 · 29 papers](https://md.research.elamur.ai/free/en/universities/massachusetts-institute-of-technology/) · [🎓**Syracuse University** Syracuse · United States 2012–2020 · 21 papers](https://md.research.elamur.ai/free/en/universities/syracuse-university/) · [🎓**University of Michigan** Ann Arbor · United States 2016–2025 · 20 papers](https://md.research.elamur.ai/free/en/universities/university-of-michigan/) · [🎓**Huazhong University of Science and Technology** Wuhan · China 2023–2025 · 5 papers](https://md.research.elamur.ai/free/en/universities/huazhong-university-of-science-and-technology/) · [🎓**Yanshan University** Qinhuangdao · China 2019–2022 · 4 papers](https://ror.org/02txfnf15) · [🎓**Yunnan Normal University** Kunming · China 2016–2017 · 4 papers](https://ror.org/00sc9n023) · [🎓**China University of Petroleum, East China** Qingdao · China 2023–2025 · 3 papers](https://md.research.elamur.ai/free/en/universities/china-university-of-petroleum-east-china/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 45 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 · 2 works](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/sijia-liu/year/2026/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/sijia-liu/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[SOUL: Unlocking the Power of Second-Order Optimization for LLM Unlearning](https://md.research.elamur.ai/free/en/papers/jia-2024-soul-unlocking-power-second-order/)** *(2024 · 46 citations)* The paper addresses LLM unlearning: removing the effect of unwanted data, such as private, copyrighted or toxic content, without full retraining and without harming general utility. 2. **[BLUR: A Bi-Level Optimization Approach for LLM Unlearning](https://md.research.elamur.ai/free/en/papers/reisizadeh-2026-blur-bi-level-optimization-approach/)** *(2026 · 4 citations)* Most LLM unlearning methods minimize a weighted sum of a forget loss and a retain loss with a fixed coefficient. ## All works 3 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. **[Rethinking machine unlearning for large language models ↗](https://doi.org/10.1038/s42256-025-00985-0) Nature Machine Intelligence · no summary yet**Sijia Liu et al.*2025 · 197 citations* 2. **[SOUL: Unlocking the Power of Second-Order Optimization for LLM Unlearning](https://md.research.elamur.ai/free/en/papers/jia-2024-soul-unlocking-power-second-order/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Jinghan Jia, Yihua Zhang, Yimeng Zhang, et al.*2024 · 46 citations* 3. **[BLUR: A Bi-Level Optimization Approach for LLM Unlearning](https://md.research.elamur.ai/free/en/papers/reisizadeh-2026-blur-bi-level-optimization-approach/) [Conference of the European Chapter of the Association for Computational Linguistics (EACL)](https://md.research.elamur.ai/free/en/venues/eacl/)**Hadi Reisizadeh, Jinghan Jia, Zhiqi Bu, et al.*2026 · 4 citations* ## Co-authors here 4 co-authors with a page, the most papers together first. - [Jinghan Jia](https://md.research.elamur.ai/free/en/authors/jinghan-jia/) ×2 - [Anil Ramakrishna](https://md.research.elamur.ai/free/en/authors/anil-ramakrishna/) - [Kai-Wei Chang](https://md.research.elamur.ai/free/en/authors/kai-wei-chang/) - [Yimeng Zhang](https://md.research.elamur.ai/free/en/authors/yimeng-zhang/) ## 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 2024](https://md.research.elamur.ai/free/en/venues/emnlp/2024/) - Nature Machine Intelligence ## Cited by Papers of our library cite their works 127 times (of the 149,439 papers whose bibliographies we read); [20 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/sijia-liu/cited-by/). Updated 1 November 2026