cl-okayama/jp-univ-essay

Okayama University Japanese Essay Data

This repository contains Japanese essays collected from Okayama University. The dataset is intended for research and analysis purposes, such as natural language processing, text mining, or educational studies.

Contents

• Essay texts in Japanese
• Scores of four traints
• Data files in jsonl and png image files for essays

Usage

This dataset is provided in JSON Lines (.jsonl) format.
Each line corresponds to one student's essay and its associated evaluation.

Example Entry

{
  "student_id": "20160808002",
  "image_path": "./essay/global/1/ansimg_20160808_global_20160808002.png",
  "theme": "global",
  "question": 1,
  "answer": "　グローバリゼーションは世界全体の所得格差を縮小する一方で、国内及び各国間での所得格差を拡大している。\n　これは、グローバリゼーションに伴う自由主義貿易や経済支援によって、経済最下層の人々も含めた世界全体の利益上昇があった一方で、先進国での競争の活発化により発展途上国での利益を遥かに上回る利益を上げた結果、最恵国と最貧国あるいは経済最上層の人々と最下層の人々との間での所得格差を別途で大規模に再発生しているからである。\n　また、経済発展には地域差があり、格差是正や経済支援に未だ不足が見られることも理由として挙げられる。\n",
  "comprehensiveness": 4,
  "logical_consistency": 3,
  "validity": 3,
  "grammar": 5
}

Field Descriptions

Field	Description
student_id	Unique identifier for the student
image_path	Relative path to the scanned image of the handwritten essay
theme	Theme or topic category (e.g., "global")
question	Question number (integer from 1 to 3)
answer	Full text of the student's essay (UTF-8, may contain newlines \n)
comprehensiveness	Score for Understanding the intended theme behind the essay prompt (1–5)
logical_consistency	Score for logical structure and coherence (1–5)
validity	Score for the relevance and depth of domain knowledge related to the essay theme (1–5)
grammar	Score for grammar and language usage (1–5)

Structure

• essays/ : Contains individual essay files
• essay_texts.jsonl : Information about each essay text

License

CC-By-4.0

Contact

For questions or collaboration, please contact the repository maintainer.

Reference

• Koichi Takeuchi, Masayuki Ohno, Kouta Motojin, Masahiro Taguchi, Masaya Iizuka, Tasuhiko, Abo and Hitoshi Ueda. Development of Essay Scoring Methods Based on Reference Texts with Construction of Research-Available Japanese Essay Data, IPSJ Journal, 62 (9), 1586-1604, 2021 (in Japanese).
• 竹内 孔一, 大野 雅幸, 泉仁 宏太, 田口 雅弘, 稲田 佳彦, 飯塚 誠也, 阿保 達彦, 上田 均. 研究利用可能な小論文データに基づく参照文書を利用した小論文採点手法の開発, 情報処理学会論文誌, Vol.62, No.9, pp.1586-1604, Sep, 2021.