Cited by 76Artificial Intelligence in GamesTopic ModelingArtistic and Creative Research

BunCho: AI Supported Story Co-Creation via Unsupervised Multitask Learning to Increase Writers’ Creativity in Japanese

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Osone, Hiroyuki, Lu, Jun-Li, Ochiai, Yoichi·2021·Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems

Abstract

Co-creation with artificial intelligence (AI) is an upcoming trend. However, less attention has been given to the construction of systems for Japanese novelists. In this study, we built “BunCho”, an AI supported story co-creation system in Japanese. BunCho’s AI is GPT-2 (an unsupervised multitask language model) trained using a large-scale dataset of Japanese web texts and novels. With BunCho, users can generate titles and synopses from keywords. Furthermore, we propose an interactive story co-creation AI system as a tabletop role-playing game. According to summative studies of writers (N=16) and readers (N=32), 69% writers enjoyed writing synopses with BunCho more than by themselves, and at least one of five common metrics were improved at objective evaluation, including creativity. In addition, 63% writers indicated that BunCho broadened their stories. BunCho showed paths to assist Japanese novelists in creating high-level and creative writing.

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  • The systematic literature review followed PRISMA guidelines.

    “We conducted a systematic literature review following PRISMA guidelines [93] to identify and analyze research on AI writing support systems.”

    From Co-Writing with AI, on Human Terms: Aligning Research with User Demands Across the Writing Process (2025) · cites this paper as [93]

    The Introduction discusses AI-assisted creative writing, and Section 4 describes a BunCho user study, not systematic-review methods. Searches for PRISMA guidelines and a systematic literature review found no passage addressing either in our copy; the paper therefore cannot verify the citation attached to “PRISMA guidelines.” Page numbers were not available. (LLM, conf=0.77)

    Experimental — accuracy not yet measured
  • Providing stimuli that can ignite creative thinking in children aids them in detailing and refining their stories and helps them overcome artist's block.

    “Second, it is crucial to provide stimuli that can ignite creative thinking in children, aiding them in the detailing and refinement of their stories; such stimuli can help children overcome artist's block [44, 71].”

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1 of the 31 references couldn’t be matched to a known paper.

Research works printed but not linked: 15

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Cited by

Sorted by citations

Authors
Osone, H., Lu, J.-L., & Ochiai, Y.
Affiliations
  • University of Tsukuba (JP)
  • Research and Development Center for Digital Nature University of Tsukuba, Japan
Venue
Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems
Publisher
ACM
Published
2021-05-08
Pages
1-10
OpenAlex
W3163363684
Cited by
74
References
31
Citations by year
2026: 9 · 2025: 22 · 2024: 24 · 2023: 9 · 2022: 10
FWCI
4.97
Type
conference paper
Language
en
Open access
Locations
CHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA) (publishedVersion)
Funders
Japan Science and Technology Agency (JPMJCR19F2)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Artificial Intelligence in Games
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Social Sciences › Arts and Humanities › Visual Arts and Performing Arts › Artistic and Creative Research
Keywords
Japanese novelists, GPT-2, tabletop role-playing games

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