• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Analysis of Internet services as Biological Evolution systems

Research Project

Project/Area Number 17H01821
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Web informatics, Service informatics
Research InstitutionThe University of Tokyo

Principal Investigator

Ikegami Takashi  東京大学, 大学院総合文化研究科, 教授 (10211715)

Co-Investigator(Kenkyū-buntansha) 岡 瑞起  筑波大学, システム情報系, 准教授 (10512105)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥15,860,000 (Direct Cost: ¥12,200,000、Indirect Cost: ¥3,660,000)
Fiscal Year 2019: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2017: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Keywordsインターネット / ウェブサービス / 進化理論 / 自己組織的臨界状態 / Big Data / OEE / ソーシャルメディア / ビッグデータ / Yule Simon / タグ / ウェブデータ / 進化 / Price方程式 / ウェブ / 新規性 / オープンエンド / 生態系 / STS / 進化ダイナミクス / 機械学習 / 人工生命 / タグの進化 / 人工知能 / ソフトコンピューティング / 自己組織化
Outline of Final Research Achievements

Web services are evolving towards a critical state (where a single post can spill over in a big way). The results showed that the user groups are creating a distinctive group structure. At the same time, the user groups were observed to create a distinctive group structure. We compared the tagging services and used a simple mathematical model (Yule-Simon model) and has found a phenomenon that cannot be explained. The creation of web "meaning" is not the evolution of new tags, but the evolution of the combination of tags . In particular, by bringing in the parent-child relationship between posts, we draw an evolutionary genealogy of 400 weeks of data and Analysis.

Academic Significance and Societal Importance of the Research Achievements

インターネットは、人が作った進化する複雑な人工物の代表例です。人というユーザーがインターネットの動きを個別には作っているが、全体の動態はよくわからないものです。われわれはこのシステムの大規模なデータの解析を行い、それが簡単な数理モデルでは表せないことや、進化系統樹を描く解析を行うことで、進化という視点を生物以外にも拡張して論ずることに成功しました。これは、新しい学問領域を創発させたといえるでしょう。社会的にも、インターネットとはないか、という視点を更新し、進化論というのがけっして狭い生物だけの話ではなく、拡張して考えられることを普及させるのは大事なことだと考えています。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (18 results)

All 2019 2018 2017

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 7 results,  Invited: 3 results)

  • [Journal Article] Analysis and Modeling of Social Tagging Using Yule–Simon Process2019

    • Author(s)
      Nishikawa Yoshimasa、Oka Mizuki、Hashimoto Yasuhiro、Ikegami Takashi
    • Journal Title

      Transactions of the Japanese Society for Artificial Intelligence

      Volume: 34 Issue: 4 Pages: C-IC3_1-8

    • DOI

      10.1527/tjsai.C-IC3

    • NAID

      130007674567

    • ISSN
      1346-0714, 1346-8030
    • Year and Date
      2019-07-01
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Open-Ended Evolution and a Mechanism of Novelties in Web Services2019

    • Author(s)
      Ikegami Takashi、Hashimoto Yasuhiro、Oka Mizuki
    • Journal Title

      Artificial Life

      Volume: 25 Issue: 2 Pages: 168-177

    • DOI

      10.1162/artl_a_00287

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Open-Ended Evolution and Open-Endedness: Editorial Introduction to the Open-Ended Evolution I Special Issue2019

    • Author(s)
      Norman Packard, Mark A. Bedau, Alastair Channon, Takashi Ikegami,
    • Journal Title

      Artificial Life

      Volume: 25 Issue: 1 Pages: 11-20

    • DOI

      10.1162/artl_e_00282

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dynamic organization of flocking behaviors in a large-scale boids model2019

    • Author(s)
      Maruyama Norihiro、Saito Daichi、Hashimoto Yasuhiro、Ikegami Takashi
    • Journal Title

      Journal of Computational Social Science

      Volume: 2 Issue: 1 Pages: 77-84

    • DOI

      10.1007/s42001-019-00037-9

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Open-Ended Evolution and a Mechanism of Novelties in Web Services2019

    • Author(s)
      Takashi Ikegami, Yasuhiro Hashimoto, Mizuki Oka
    • Journal Title

      Artificial Life

      Volume: 印刷中

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Novelty production in tagging crowds2017

    • Author(s)
      Hashimoto, Y., Ikegami, T.
    • Journal Title

      Proc of the 2nd International Symposium on Swarm Behavior and Bio-Inspired Robotics(SWARM 2017)

      Volume: - Pages: 311-312

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Revisiting Classification of Large Scale Flocking2017

    • Author(s)
      Maruyama, N., Hashimoto, Y., Mototake, Y., Saito, D., & Ikegami, T.
    • Journal Title

      Proc of the 2nd International Symposium on Swarm Behavior and Bio-Inspired Robotics(SWARM 2017)

      Volume: - Pages: 307-310

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Life as an Emergent Phenomenon: Studies from a Large-Scale Boid Simulation and Web Data2017

    • Author(s)
      Takashi Ikegami, Yoichi Mototake, Shintaro Kobori, Mizuki Oka, Yasuhiro Hashimoto
    • Journal Title

      Philosophical Transactions A

      Volume: 375 Issue: 2109 Pages: 20160351-20160351

    • DOI

      10.1098/rsta.2016.0351

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] How the Nature of Web Services Drive Vocabulary Creation in Social Tagging2019

    • Author(s)
      Koya Sato, Mizuki Oka, Yasuhiro Hashimoto, Takashi Ikegami and Kazuhiko Kato
    • Organizer
      The 2nd International Conference on Information Science and System
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Open-Ended Evolution and a Mechanism of Novelties in Web Services2018

    • Author(s)
      Takashi Ikegami, Yasuhiro Hashimoto and Mizuki Oka
    • Organizer
      The 2018 Conference on Artificial Life
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Emergent Collective Dynamics in Large Scale Agent Systems2018

    • Author(s)
      Takashi Ikegami
    • Organizer
      Conference on Collective Behavior
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Revisiting Classification of Large Scale Flocking2018

    • Author(s)
      Norihiro Maruyama
    • Organizer
      PRIMA 2018 - The 21st International Conference on Principles and Practice of Multi-Agent Systems
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Growth Dynamics of Pairwise Novelty in Social Annotation2018

    • Author(s)
      Hashimoto
    • Organizer
      PRIMA 2018 - The 21st International Conference on Principles and Practice of Multi-Agent Systems
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Measuring Bursty Growth of Words in Social Tagging Ecosystems2018

    • Author(s)
      Yasuhiro Hashimoto
    • Organizer
      ACM WebSci 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ソーシャルタギングシステムに見られる特異的なタグの成長2018

    • Author(s)
      Yasuhiro Hashimoto
    • Organizer
      人工知能学会全国大会2018
    • Related Report
      2018 Annual Research Report
  • [Presentation] 新規性の発生則と成長則:Yule-Simon過程を基礎にして2018

    • Author(s)
      橋本康弘
    • Organizer
      電気情報通信学会 複雑コミュニケーションサイエンス研究会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Large Fluctuation in Social Tagging Ecosystems2017

    • Author(s)
      Yasuhiro Hashimoto, Mizuki Oka, Takashi Ikegami
    • Organizer
      International Conference on Computational Social Science (IC2S2)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 新規性の発生則と成長則:Yule-Simon過程を用いた分析2017

    • Author(s)
      橋本康弘
    • Organizer
      計測自動制御学会 第23回創発シンポジウム「創発夏の学校」
    • Related Report
      2017 Annual Research Report
    • Invited

URL: 

Published: 2017-04-28   Modified: 2021-02-19  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi