OCHI MASANAO 大知正直

… Alternative Names

Ochi Masanao 大知正直

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Researcher Number	20805527
Other IDs
Affiliation (Current)	2026: 大分大学, 理工学部, 准教授
Affiliation (based on the past Project Information) *help	2026: 大分大学, 理工学部, 准教授 2024: 大分大学, 理工学部, 准教授 2023: 東京大学, 大学院工学系研究科(工学部), 特任助教 2019 – 2022: 東京大学, 大学院工学系研究科(工学部), 特任研究員
Review Section/Research Field	Principal Investigator Basic Section 62020:Web informatics and service informatics-related / Basic Section 07080:Business administration-related Except Principal Investigator Basic Section 58080:Gerontological nursing and community health nursing-related
Keywords	Principal Investigator 構築主義的アプローチ / クレイム申し立て / 情報拡散型社会問題 / 特許情報 / 複雑ネットワーク / 知的財産 / M&A / 特許データの活用 / ソーシャルメディア / フェイクニュース … More / SNS / ディスインフォメーション / 社会問題 / SDGs / ネットワーク機械学習 / 社会ネットワーク分析 / 社会課題 … More Except Principal Investigator 患者安全 / タスクシフト / 看護配置 Less

Post-acute careにおける実現可能な最適看護チーム編成の探索
- Principal Investigator
  
  森岡典子
- Project Period (FY)
  2026 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58080:Gerontological nursing and community health nursing-related
- Research Institution
  National Institute of Public Health
知的財産の評価を目的としたM&A候補選定手法の開発Principal Investigator
- Principal Investigator
  
  大知正直
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07080:Business administration-related
- Research Institution
  Oita University
Development of a Detection System for Information Diffusion-Driven Social Issues Using Social Media DataPrincipal Investigator
- Principal Investigator
  
  Ochi Masanao
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 62020:Web informatics and service informatics-related
- Research Institution
  Oita University
  The University of Tokyo
Development of Fundamental Technology for Early Detection of Social Issues Using SNS DataPrincipal Investigator
- Principal Investigator
  
  Ochi Masanao
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 62020:Web informatics and service informatics-related
- Research Institution
  The University of Tokyo

All 2025 2024 2023 2022 2021

All Journal Article Presentation Book Patent

[Book] 自然言語処理の導入と活用事例ー情報検索、情報抽出、文書分類、テキスト要約ー2024
- Author(s)
  大知正直, 他多数
- Total Pages
  605
- Publisher
  技術情報協会
- Data Source
  KAKENHI-PROJECT-24K05080
[Book] 自然言語処理の導入と活用事例ー情報検索、情報抽出、文書分類、テキスト要約ー2024
- Author(s)
  大知正直, 他多数
- Total Pages
  605
- Publisher
  技術情報協会
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] Investigating Interdisciplinary Research Impact: A Framework for?Integrating Linguistic and?Citation Information2025
- Author(s)
  Ochi Masanao、Shiro Masanori、Mori Jun’ichiro、Sakata Ichiro
- Journal Title
  
  Systems Modelling and Simulation. SMS 2024. Communications in Computer and Information Science
  
  Volume: 2483 Pages: 118-130
- DOI
  10.1007/978-981-96-4613-5_9
- ISBN
  9789819646128, 9789819646135
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K17860, KAKENHI-PROJECT-24K05080
[Journal Article] 時間的推移の分析を適用した視聴者生成テキストと番組との対応付けアルゴリズムの研究2025
- Author(s)
  小早川健, 榊剛史, 大知正直, 坂田一郎
- Journal Title
  
  自然言語処理
  
  Volume: 32
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24K05080
[Journal Article] 時間的推移の分析を適用した視聴者生成テキストと番組との対応付けアルゴリズムの研究2025
- Author(s)
  小早川健, 榊剛史, 大知正直, 坂田一郎
- Journal Title
  
  自然言語処理
  
  Volume: 32(3)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] "Ask AnyOne" Researcher Collaboration System: Design, Implementation, and Future Prospects2024
- Author(s)
  SHIRO Masanori、MIYAKAWA Ayumu、FUJITA Tsukasa、OCHI Masanao、IWASAKI Yuichi、YASUTAKA Tetsuo
- Journal Title
  
  BULLETIN OF THE GEOLOGICAL SURVEY OF JAPAN
  
  Volume: 75 Issue: 2 Pages: 73-81
- DOI
  10.9795/bullgsj.75.2_73
- ISSN
  1346-4272, 2186-490X
- Year and Date
  2024-06-06
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K17860, KAKENHI-PROJECT-24K05080
[Journal Article] M&A マッチングにおける特許データを用いた技術類似性の評価著者2023
- Author(s)
  松澤駿也，大知正直，坂田一郎
- Journal Title
  
  研究報告知能システム (ICS)
  
  Volume: 6 Pages: 1-2
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] Citation Network Analysis of Nurse Staffing Research from the Past Two Decades: 2000?20222023
- Author(s)
  Morioka Noriko、Ochi Masanao、Okubo Suguru、Moriwaki Mutsuko、Hayashida Kenshi、Sakata Ichiro、Kashiwagi Masayo
- Journal Title
  
  Healthcare
  
  Volume: 11 Issue: 23 Pages: 3050-3050
- DOI
  10.3390/healthcare11233050
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K17860, KAKENHI-PROJECT-20H03972
[Journal Article] ロシアのウクライナ侵攻における 2023 年に発生した事象に対するソーシャルメディア上での意見の遷移分析2023
- Author(s)
  陳啓賢，高羽真緒，宇都宮智，大知正直，榊剛史，坂田一郎
- Journal Title
  
  研究報告知能システム (ICS)
  
  Volume: 6 Pages: 1-5
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] ソーシャルメディアにおけるネットワーク情報を利用した virality 指標の提案2023
- Author(s)
  樋口颯也，森純一郎，大知正直，坂田一郎
- Journal Title
  
  研究報告知能システム (ICS)
  
  Volume: 6 Pages: 1-5
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] Fusion of Linguistic and Citation Information in Scientific Literature using Transformer Model2022
- Author(s)
  大知正直, 城真範, 森純一郎, 坂田一郎
- Journal Title
  
  Proceedings of the Annual Conference of JSAI
  
  Volume: JSAI2022 Issue: 0 Pages: 3M4GS404-3M4GS404
- DOI
  10.11517/pjsai.JSAI2022.0_3M4GS404
- Language
  Japanese
- Open Access
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] SNS由来の情報拡散型社会問題の発見・分析システムの開発2022
- Author(s)
  大知正直、蕭喬仁、山中志一、榊剛史、森純一郎、坂田一郎
- Journal Title
  
  研究報告知能システム（ICS）
  
  Volume: 2022-ICS-207 Pages: 1-4
- Open Access
- Data Source
  KAKENHI-PROJECT-21K17860
[Journal Article] Classification of the Top-cited Literature by Fusing Linguistic and Citation Information with the Transformer Model2022
- Author(s)
  Masanao Ochi, Masanori Shiro, Jun’ichiro Mori, Ichiro Sakata
- Journal Title
  
  Proceedings of the 18th International Conference on Web Information Systems and Technologies - WEBIST
  
  Volume: 0011542200003318 Pages: 286-293
- DOI
  10.5220/0011542200003318
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K12068, KAKENHI-PROJECT-21K17860
[Journal Article] Predictive analysis of multiple future scientific impacts by embedding a heterogeneous network2022
- Author(s)
  Masanao Ochi, Masanori Shiro, Jun’ichiro Mori, Ichiro Sakata
- Journal Title
  
  PLOS ONE
  
  Volume: 17-9 Issue: 9 Pages: 0274253-0274253
- DOI
  10.1371/journal.pone.0274253
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K12068, KAKENHI-PROJECT-21K17860, KAKENHI-PROJECT-20K12076
[Patent] 情報処理システム、情報処理方法、及びプログラム2025
- Inventor(s)
  大知正直、坂田一郎、荒井邦彦、中島涼、郷治友孝
- Industrial Property Rights Holder
  大知正直、坂田一郎、荒井邦彦、中島涼、郷治友孝
- Industrial Property Rights Type
  特許
- Filing Date
  2025
- Data Source
  KAKENHI-PROJECT-24K05080
[Presentation] Overview of Research on Nurse Turnover and Retention from 2024: a Citation Network Analysis2025
- Author(s)
  Masahiko Ohgaki, Noriko Morioka, Masanao Ochi, Masayo Kashiwagi
- Organizer
  East Asian Forum of Nursing Scholars(EAFONS)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K05080
[Presentation] Overview of Research on Nurse Turnover and Retention from 2024: a Citation Network Analysis2025
- Author(s)
  Masahiko Ohgaki, Noriko Morioka, Masanao Ochi, Masayo Kashiwagi
- Organizer
  East Asian Forum of Nursing Scholars(EAFONS)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17860
[Presentation] Investigating Interdisciplinary Research Impact: A Framework for?Integrating Linguistic and?Citation Information2024
- Author(s)
  Ochi Masanao、Shiro Masanori、Mori Jun ’ichiro、Sakata Ichiro
- Organizer
  Systems Modelling and Simulation. SMS 2024. Communications in Computer and Information Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17860
[Presentation] Investigating Interdisciplinary Research Impact: A Framework for?Integrating Linguistic and?Citation Information2024
- Author(s)
  Ochi Masanao、Shiro Masanori、Mori Jun’ichiro、Sakata Ichiro
- Organizer
  Systems Modelling and Simulation. SMS 2024. Communications in Computer and Information Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K05080
[Presentation] The Explosive Development of Electrical Discharge Technologies for Weather Modification from Scholarly Extensive Data Analysis2023
- Author(s)
  Kubo Kotaro, Masanao Ochi, Ichiro Sakata
- Organizer
  103rd AMS Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17860
[Presentation] 科学研究のインパクト予測に向けた学術文献情報から抽出した分散表現による特定可能性分析2021
- Author(s)
  大知正直
- Organizer
  人工知能学会全国大会
- Data Source
  KAKENHI-PROJECT-21K17860
[Presentation] Which Is More Helpful in Finding Scientific Papers to Be Top-cited in the Future: Content or Citations? Case Analysis in the Field of Solar Cells 2009.2021
- Author(s)
  Masanao Ochi
- Organizer
  WEBIST2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20412
[Presentation] Which Is More Helpful in Finding Scientific Papers to Be Top-cited in the Future: Content or Citations? Case Analysis in the Field of Solar Cells 2009.2021
- Author(s)
  Masanao Ochi
- Organizer
  WEBIST2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K17860
[Presentation] 科学研究のインパクト予測に向けた学術文献情報から抽出した分散表現による特定可能性分析2021
- Author(s)
  大知正直
- Organizer
  人工知能学会全国大会
- Data Source
  KAKENHI-PROJECT-19K20412

1. 森岡典子 (70805746)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 森脇睦子 (40437570)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 伏見清秀 (50270913)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 林田賢史 (80363050)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 高橋新 (50774981)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. SHIRO Masanori

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

OCHI MASANAO 大知 正直

Ochi Masanao 大知 正直

Research Projects

Research Products

Co-Researchers

Post-acute careにおける実現可能な最適看護チーム編成の探索

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

知的財産の評価を目的としたM&A候補選定手法の開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of a Detection System for Information Diffusion-Driven Social Issues Using Social Media DataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of Fundamental Technology for Early Detection of Social Issues Using SNS DataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Book] 自然言語処理の導入と活用事例ー情報検索、情報抽出、文書分類、テキスト要約ー2024

Author(s)

Total Pages

Publisher

Data Source

[Book] 自然言語処理の導入と活用事例ー情報検索、情報抽出、文書分類、テキスト要約ー2024

Author(s)

Total Pages

Publisher

Data Source

[Journal Article] Investigating Interdisciplinary Research Impact: A Framework for?Integrating Linguistic and?Citation Information2025

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] 時間的推移の分析を適用した視聴者生成テキストと番組との対応付けアルゴリズムの研究2025

Author(s)

Journal Title

Data Source

[Journal Article] 時間的推移の分析を適用した視聴者生成テキストと番組との対応付けアルゴリズムの研究2025

Author(s)

Journal Title

Data Source

[Journal Article] &quot;Ask AnyOne&quot; Researcher Collaboration System: Design, Implementation, and Future Prospects2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] M&A マッチングにおける特許データを用いた技術類似性の評価 著者2023

Author(s)

Journal Title

Data Source

[Journal Article] Citation Network Analysis of Nurse Staffing Research from the Past Two Decades: 2000?20222023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] ロシアのウクライナ侵攻における 2023 年に発生した事象に対するソーシャルメディア上での意見の遷移分析2023

Author(s)

Journal Title

Data Source

[Journal Article] ソーシャルメディアにおけるネットワーク情報を利用した virality 指標の提案2023

Author(s)

Journal Title

Data Source

[Journal Article] Fusion of Linguistic and Citation Information in Scientific Literature using Transformer Model2022

Author(s)

OCHI MASANAO 大知正直

Ochi Masanao 大知正直

[Journal Article] "Ask AnyOne" Researcher Collaboration System: Design, Implementation, and Future Prospects2024

[Journal Article] M&A マッチングにおける特許データを用いた技術類似性の評価著者2023