| Project/Area Number |
26330387
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Library and information science/Humanistic social informatics
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| Research Institution | Rissho University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
岡田 勇 創価大学, 経営学部, 准教授 (60323888)
諏訪 博彦 奈良先端科学技術大学院大学, 情報科学研究科, 助教 (70447580)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | ソーシャルメディア / 世論形成 / 社会シミュレーション / 協力の進化 / 災害支援 / 規範 / 公共財ゲーム / 地域SNS / エージェントシミュレーション / 沈黙の螺旋 / 沈黙の螺旋理論 / デマの拡散 |
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| Outline of Final Research Achievements |
This study has aimed to construct a simulation framework for appropriate opinion consolidation and decision making in social media such as regional SNSs. This project consists of three sub-themes. The first is an analysis of the actual use of SNSs at the time of disaster occurrence. We have developed a method to find notable accounts by a centrality analysis of Twitter accounts during the Great East Japan Earthquake. The second is an analysis of an opinion formation mechanism on social media. We analyzed the process of opinion formation on social media using spiral of silence theory as a case of nuclear power plant problem. Finally, we have revealed some norms to promote social behavior in the community. To address this issue, we, in terms of game theory, developed a "norm ecosystem" model in which individuals with different norms interact through the helping games. And we have proposed a new simple norm called "staying" that prescribes abstaining from assessment.
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