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# Ryo Nagata

2 paper cards in Mova's library · 2017–2018

Ryo Nagata wrote 2 of the papers Mova reads, in 2017–2018, most of them on [Part-of-speech tagging](https://md.mova.elamur.ai/free/en/docs/papers/topics/part-of-speech-tagging/); often with [Tomoya Mizumoto](https://md.mova.elamur.ai/free/en/docs/papers/authors/tomoya-mizumoto/), Kotaro Funakoshi, Yoshifumi Kawasaki.

[OpenAlex](https://openalex.org/A5068324214) · [ORCID](https://orcid.org/0000-0002-5893-3335) · [**h-index 23**](https://openalex.org/authors/A5068324214) · [2441 citations](https://openalex.org/authors/A5068324214) · [125 works](https://openalex.org/works?filter=author.id:A5068324214) — openalex, 2026-10-18

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=Ryo+Nagata) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Ryo+Nagata) · [dblp](https://dblp.org/search?q=Ryo+Nagata) · [ACL Anthology](https://aclanthology.org/search/?q=Ryo+Nagata) · [ORCID](https://orcid.org/orcid-search/search?searchQuery=Ryo+Nagata)

Topics: [Part-of-speech tagging](https://md.mova.elamur.ai/free/en/docs/papers/topics/part-of-speech-tagging/) 2

## Papers

1. **[A POS Tagging Model Designed for Learner English](https://md.mova.elamur.ai/free/en/docs/papers/nagata-2018-pos-tagging-model-adapted-learner/)** *(2018)* Taggers trained on edited English fail on learner English, and the authors trace the failures to unknown words (often misspellings), to capitalisation errors, to missing determiners, and to a different tag distribution (the word "like" is a preposition in 82% of the native corpus but a verb in 94% of the Konan-JIEM…
2. **[Analyzing the Impact of Spelling Errors on POS-Tagging and Chunking in Learner English](https://md.mova.elamur.ai/free/en/docs/papers/mizumoto-2017-analyzing-impact-spelling-errors-pos/)** *(2017)* Spelling errors in learner English create unknown words, and unknown words are a main cause of POS-tagging and chunking failures.

## Co-authors (4)

- [Tomoya Mizumoto](https://md.mova.elamur.ai/free/en/docs/papers/authors/tomoya-mizumoto/) ×2
- Kotaro Funakoshi
- Yoshifumi Kawasaki
- Yuta Kikuchi
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