--- title: "Kakeru Hattori — author profile and papers — Elamur Research" description: "Kakeru Hattori, Institute of Science Tokyo: 2 papers on Elamur Research (2024–2025), h-index 2 — affiliations, topics, co-authors and who…" canonical: "https://research.elamur.ai/free/en/authors/kakeru-hattori/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/kakeru-hattori/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Kakeru Hattori # Kakeru Hattori Kakeru Hattori has 2 papers in our library, in 2024–2025, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Multilingual & cross-lingual NLP](https://md.research.elamur.ai/free/en/topics/multilingual-nlp/); often with [Kazuki Fujii](https://md.research.elamur.ai/free/en/authors/kazuki-fujii/), [Sakae Mizuki](https://md.research.elamur.ai/free/en/authors/sakae-mizuki/), [Taishi Nakamura](https://md.research.elamur.ai/free/en/authors/taishi-nakamura/). 2 papers in our library · 2024–2025 [OpenAlex](https://openalex.org/A5113204555) · [**h-index 2**](https://openalex.org/authors/A5113204555) · [4 works](https://openalex.org/works?filter=author.id:A5113204555) · [13 citations](https://openalex.org/works?filter=author.id:A5113204555&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/kakeru-hattori/#papers) · [🔗 Cited 122 times in our library](https://md.research.elamur.ai/free/en/authors/kakeru-hattori/cited-by/) · [⭐ Paper Stars ranking: #7822](https://md.research.elamur.ai/free/en/paper-stars/page/79/#star-7822) 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=Kakeru+Hattori) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Kakeru+Hattori) · [dblp](https://dblp.org/search?q=Kakeru+Hattori) · [ACL Anthology](https://aclanthology.org/search/?q=Kakeru+Hattori) ## Affiliations [🎓**Institute of Science Tokyo** Tokyo · Japan 2024–2025 · 2 papers*current*](https://md.research.elamur.ai/free/en/universities/institute-of-science-tokyo/) · [🔬**National Institute of Advanced Industrial Science and Technology** Tsukuba · Japan 2025 · 1 paper*current*](https://md.research.elamur.ai/free/en/labs/national-institute-of-advanced-industrial-science-and-technology/) · [🎓**Tokyo Institute of Technology** Tokyo · Japan 2024 · 2 papers](https://md.research.elamur.ai/free/en/universities/tokyo-institute-of-technology/) 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 6 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 Science Applications · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/computer-science-applications/) · [Information Systems · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) 🧭 Topics 2 Research subjects and languages the work is about.[Language models & pretraining · 2 works](https://md.research.elamur.ai/free/en/topics/language-models/) · [Multilingual & cross-lingual NLP · 1 work](https://md.research.elamur.ai/free/en/topics/multilingual-nlp/) ## Works by year ### 2020s [**2025** 1 paper](https://md.research.elamur.ai/free/en/authors/kakeru-hattori/year/2025/) · [**2024** 1 paper](https://md.research.elamur.ai/free/en/authors/kakeru-hattori/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[Continual Pre-Training for Cross-Lingual LLM Adaptation: Enhancing Japanese Language Capabilities](https://md.research.elamur.ai/free/en/papers/fujii-2024-continual-pre-training-cross-lingual/)** *(2024 · 114 citations)* LLMs trained mostly on English, such as Llama 2, perform worse in languages whose grammar and script differ sharply from English. 2. **[Rewriting Pre-Training Data Boosts LLM Performance in Math and Code](https://md.research.elamur.ai/free/en/papers/fujii-2025-rewriting-pre-training-data-boosts/)** *(2025 · 15 citations)* Open code and math corpora for LLM pre-training, such as The-Stack-v2 and Finemath-4+, are usually built by extraction and filtering. ## Co-authors here 5 co-authors with a page, the most papers together first. - [Kazuki Fujii](https://md.research.elamur.ai/free/en/authors/kazuki-fujii/) ×2 - [Sakae Mizuki](https://md.research.elamur.ai/free/en/authors/sakae-mizuki/) ×2 - [Taishi Nakamura](https://md.research.elamur.ai/free/en/authors/taishi-nakamura/) ×2 - [Masanari Oi](https://md.research.elamur.ai/free/en/authors/masanari-oi/) - [Naoaki Okazaki](https://md.research.elamur.ai/free/en/authors/naoaki-okazaki/) ## Cited by Papers of our library cite their works 122 times (of the 149,439 papers whose bibliographies we read); [32 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/kakeru-hattori/cited-by/). Updated 3 November 2026