--- title: "Hajime Kiyama — author profile and papers — Elamur Research" description: "Hajime Kiyama, Hitotsubashi University: 2 papers on Elamur Research (2026), h-index 0 — affiliations, topics, co-authors and who cites them…" canonical: "https://research.elamur.ai/free/en/authors/hajime-kiyama/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/hajime-kiyama/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Hajime Kiyama # Hajime Kiyama Hajime Kiyama has 2 papers in our library, in 2026, most of them on [Evaluation & benchmarks](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/), [Idioms & multiword expressions](https://md.research.elamur.ai/free/en/topics/multiword-expressions/); often with [Mamoru Komachi](https://md.research.elamur.ai/free/en/authors/mamoru-komachi/), [Hikari Tanaka](https://md.research.elamur.ai/free/en/authors/hikari-tanaka/). 2 papers in our library · 2026 [OpenAlex](https://openalex.org/A5115926590) · [**h-index 0**](https://openalex.org/authors/A5115926590) · [8 works](https://openalex.org/works?filter=author.id:A5115926590) · [0 citations](https://openalex.org/works?filter=author.id:A5115926590&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/hajime-kiyama/#papers) · [⭐ Paper Stars ranking: #13585](https://md.research.elamur.ai/free/en/paper-stars/page/136/#star-13585) 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=Hajime+Kiyama) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Hajime+Kiyama) · [dblp](https://dblp.org/search?q=Hajime+Kiyama) · [ACL Anthology](https://aclanthology.org/search/?q=Hajime+Kiyama) ## Affiliations [🎓**Hitotsubashi University** Tokyo · Japan 2025–2026 · 5 papers*current*](https://md.research.elamur.ai/free/en/universities/hitotsubashi-university/) 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).[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/) · [Developmental and Educational Psychology · 1 work](https://md.research.elamur.ai/free/en/shelves/psychology/developmental-and-educational-psychology/) · [Psychology · 1 work](https://md.research.elamur.ai/free/en/shelves/psychology/) 🧭 Topics 2 Research subjects and languages the work is about.[Evaluation & benchmarks · 1 work](https://md.research.elamur.ai/free/en/topics/evaluation-benchmarks/) · [Idioms & multiword expressions · 1 work](https://md.research.elamur.ai/free/en/topics/multiword-expressions/) ## Works by year ### 2020s [**2026** 2 papers](https://md.research.elamur.ai/free/en/authors/hajime-kiyama/year/2026/) ## Papers The most cited first (OpenAlex and our library). 1. **[Evaluation of Document-Level Text Simplification in Japanese](https://md.research.elamur.ai/free/en/papers/yamashita-2026-evaluation-document-level-text-simplification/)** *(2026)* Reliable automatic metrics for judging whole-document simplification are scarce. For Japanese, there were none, and the older D-SARI metric correlates only weakly with human ratings. The authors address this by building the first human-annotated benchmark for Japanese document-level simplification. They took… 2. **[LLM-based Literal Example Generation for Japanese Multiword Expressions](https://md.research.elamur.ai/free/en/papers/ohashi-2026-llm-based-literal-example-generation/)** *(2026)* Many Japanese multiword expressions (MWEs), such as te o nobasu ("extend one's hand" vs. "reach out/expand into"), can be read literally or idiomatically. Corpora are dominated by the idiomatic readings, and Japanese free word order lets literal uses appear split apart. Literal examples are therefore rare and hard to… ## Co-authors here 2 co-authors with a page, the most papers together first. - [Mamoru Komachi](https://md.research.elamur.ai/free/en/authors/mamoru-komachi/) ×2 - [Hikari Tanaka](https://md.research.elamur.ai/free/en/authors/hikari-tanaka/) ## 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/): [ACL 2026](https://md.research.elamur.ai/free/en/venues/acl/2026/) - [Language Resources and Evaluation Conference (LREC)](https://md.research.elamur.ai/free/en/venues/lrec/): [LREC 2026](https://md.research.elamur.ai/free/en/venues/lrec/2026/) Updated 1 November 2026