All publications

2026
B — Core-adjacentLead authorPoster presentation

大規模言語モデルが生成する地理空間CLIコマンドの実行検証-応答の変動と実行環境への依存性-

Ayaka Onohara; Nobusuke Iwasaki
35th Annual Conference of the GIS Association of Japan (GISA 2026), P2-26, November 1, 2026, Institute of Science Tokyo, Ookayama Campus.
LLMsGeospatial CLIExecution validationReproducibility
2026
B — Core-adjacentLead authorPeer-reviewed

Examining the Relationship Between Tatara Iron Production and Grassland Distribution in Western Japan: An Open Geospatial Approach to Historical Landscape Analysis

Ayaka Onohara; Takatora Bito; Nobusuke Iwasaki
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, L-4/W1-2026, pp. 205–211, 2026.
tatara iron productiongrasslandhistorical landscapeopen geospatial
2026
A — Core★ SelectedLead authorPeer-reviewed

GAN-Based Modeling of Emotional Dynamics in Cultural Evolution and Niche Construction: An Integrated Empirical Approach

Ayaka Onohara; Hiroki Ouchi
Proceedings of the Workshop on Computation: Theory and Practice (WCTP 2025), Atlantis Press, pp. 499–519, 2026.
cultural evolutionniche constructionGANemotion dynamics
2026
D — Education & OutreachLead authorPeer-reviewed

Dialogue with the Inner Other: A Practical Report on Learning Support in Statistics Exercises Using Generative AI (in Japanese)

Ayaka Onohara (single author)
Journal of the Japan Association for Developmental Education (advance publication), 2026.
generative AIstatistics educationreflectionmetacognition
2025
A — CoreLead authorPoster presentation

Phase-Dependent Emotion Maps of Place — Mantel Analysis Using Text Embeddings and Spatial Proximity

Ayaka Onohara; Hiroki Ouchi
34th Annual Conference of the GIS Association of Japan, November 1, 2025. Proceedings of the GIS Association of Japan, 2025.
emotion mapstext embeddingsMantel test
2024
A — Core★ SelectedCo-authorPeer-reviewed

Bayesian phylogenetic analysis of pitch-accent systems based on accentual class merger: a new method applied to Japanese dialects

Takuya Takahashi; Ayaka Onohara; Yasuo Ihara
Journal of Language Evolution, 8(2): 169–191, 2024.
Bayesian phylogeneticspitch accentJapanese dialects
2024
D — Education & OutreachSole author

Harnessing AI Models and Voice for Educational Content: A New Frontier in AI Technology

Ayaka Onohara
The Journal of Statistics for Society (社会と統計), No. 10, pp. 27–44, 2024. Center for Social Information Education and Research, Rikkyo University.
generative AIspeech synthesiseducation
2023
B — Core-adjacentCo-authorPeer-reviewed

Estimating Vineyard Suitability Using Machine Learning

N. Iwasaki; T. Tanaka; A. Onohara; K. Hayashi; M. Katori; et al.
GIS Association of Japan, 2023. (Best Poster Award)
GeoAImachine learning
2022
A — Core★ SelectedCo-authorPeer-reviewed

Inferring the temporal and spatial evolution of accent systems in Japanese dialects: a phylogeographic approach

Takuya Takahashi; Ayaka Onohara; Yasuo Ihara
Proceedings of the Joint Conference on Language Evolution (JCoLE), 2022.
phylogeographyaccentspatiotemporal evolution
2022
B — Core-adjacent★ SelectedCo-authorPeer-reviewed

Client-Side Web Mapping System for Vineyard Suitability Assessment

N. Iwasaki; K. Hayashi; T. Tanaka; M. Katori; A. Onohara; T. Oguchi
ISPRS Archives, 2022. (FOSS4G 2022)
2016
A — Core★ SelectedLead authorInvited

言語の消失と獲得に関連する環境・社会的要因 [Environmental and social factors related to language loss and gain]

Ayaka Onohara
Theory and Applications of GIS (GIS-理論と応用), 24(2), 2016.
2016
A — CoreLead author

Environmental and social factors associated with the gain or loss rate of language change

Ayaka Onohara
Proceedings of the Annual Conference of the GIS Association of Japan (CD-ROM), 25, p. 40, 2016.
2016
B — Core-adjacentCo-authorPeer-reviewed

Classification of land use/cover change in the Kanto region, Japan using FOSS4G and Open Data

N. Iwasaki; D. Sprague; A. Onohara
FOSS4G 2016 Conference Proceedings, 2016.
2014
A — CorePh.D. Thesis

A Mathematical Approach to the Relationship between Language Change and Extralinguistic Factors

Ayaka Onohara
Ph.D. Thesis, Doshisha University, Graduate School of Culture and Information Science, March 2014.
2013
C — PeripheralLead authorPeer-reviewed

Trends in Statistics Education Course Content and Student Evaluations

Ayaka Onohara
Education-related journal, 2013.
2012
A — CoreLead authorPeer-reviewed

Lexical Types and Geographic Distribution in the Upper Ibigawa Region

Ayaka Onohara
Dialectology / linguistic geography journal, 2012.
2012
A — CoreLead authorPeer-reviewed

Mathematical Analysis of Dialect Distribution Data

Ayaka Onohara
Quantitative linguistics journal, 2012.
2012
A — CoreLead authorPeer-reviewed

Phylogenetic Estimation of Lexicon in the Upper Ibigawa Region

Ayaka Onohara
Dialectology journal, 2012.
2012
A — CoreLead authorPeer-reviewed

Geographic Network Analysis and Linguistic Distance in Former Tokuyama Village, Gifu

Ayaka Onohara
Quantitative linguistics journal, 2012.
2011
A — CoreLead authorPeer-reviewed

Relationship between Accent Patterns and Transport Networks in Former Tokuyama Village, Gifu

Ayaka Onohara
Dialectology / phonetics journal, 2011.
2011
A — CoreLead authorPeer-reviewed

Spatial Analysis of Language Dynamics in Former Tokuyama Village, Gifu (2)

Ayaka Onohara
Quantitative linguistics / dialectology journal, 2011.
2011
A — CoreLead authorPeer-reviewed

Spatial Analysis of Language Dynamics in Former Tokuyama Village, Gifu

Ayaka Onohara
Quantitative linguistics / dialectology journal, 2011.
2010
C — PeripheralLead authorPeer-reviewed

Practicality of NCD in ITMA and Visualization of Analysis Process Using UML

Ayaka Onohara
Information science / quantitative linguistics journal, 2010.
2010
A — CoreLead authorPeer-reviewed

Virtual Cultural Region Extraction and Direction of Lexical Change from Gifu Dialect Vocabulary

Ayaka Onohara
Culture and information science / dialectology journal, 2010.
2010
A — CoreLead authorPeer-reviewed

Cultural Diffusion and Stagnation as Seen through Dialect Distribution

Ayaka Onohara
Culture and information science / dialectology journal, 2010.
2010
A — CoreLead authorPeer-reviewed

Diffusion Channels and Stagnation of Cultural Information

Ayaka Onohara
Culture and information science / dialectology journal, 2010.
About the A–D categories
A — CoreThe main arena of Spatial Cultural Dynamics (space × cultural traits × dynamics): language change, emotion, phylogeny, and diffusion.
B — Core-adjacentSpace × computation (GeoAI, deep learning, implementation) that can connect to the core.
C — PeripheralGeneral informatics and statistics education, not directly tied to the core.
D — Education & OutreachTeaching materials, serial articles, and educational practice.