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A Study on Evaluation Methods of Technologies from the Perspective of Power Laws

Research Project

Project/Area Number 20K20492
Research Category

Grant-in-Aid for Challenging Research (Pioneering)

Allocation TypeMulti-year Fund
Review Section A New Phase of Our Advanced Science and Technology Society
Research InstitutionWaseda University (2023-2024)
The University of Tokyo (2020-2022)

Principal Investigator

Tanaka-Ishii Kumiko  早稲田大学, 理工学術院, 教授 (10323528)

Co-Investigator(Kenkyū-buntansha) チン ユ  東京大学, 大学院新領域創成科学研究科, 教授 (00272394)
Project Period (FY) 2020-07-30 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥25,870,000 (Direct Cost: ¥19,900,000、Indirect Cost: ¥5,970,000)
Fiscal Year 2024: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2022: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2021: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2020: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Keywords冪乗則 / 生成モデル / 計算言語学 / 複雑系 / 系列データ / 言語データ / 経済データ / 画像データ / ビッグデータ / 深層学習モデル / 評価指標 / 数理モデル / 機械学習
Outline of Research at the Start

科学技術による人間および社会の変容を考察するには、その変容を評価することが必須である。本提案では、高度科学技術による複雑な対象の処理が、人間のそれにどこまで近付いているかを「冪乗則」の観点から評価する方法を提案する。人の主要なデータ・コンテンツとして、言語、株価、画像を対象とする。まず、そこに内在する冪的特性の実態を、既存研究をふまえて探究する。その上で、これらのデータを扱う数理モデルの冪的特性を吟味する。数理モデルには、高度科学技術の基礎となっている深層学習技術が含まれる。最後に、人のデータと、数理モデルの二者を冪乗則の観点から比較検討し、差異を具体的に評価する新しい方法を生み出す。

Outline of Final Research Achievements

We devised and validated a method to objectively evaluate how closely generative models, obtained through advanced scientific and technological means, approximate human capabilities from the perspective of power laws. By verifying the well-known power law in natural data, such as natural language, financial data, and image data (especially medical data), we demonstrated that the performance of generative models can be assessed based on the data generated by these models. In natural language, we showed that the power law can evaluate the performance of language models, which have seen remarkable advancements in recent years. A book summarizing this research received the Mainichi Publishing Award. Furthermore, we explored an untapped new approach within power laws and showed its potential to contribute to the evaluation of future advanced generative models.

Academic Significance and Societal Importance of the Research Achievements

生成モデルは、今日高度に進展しており、それを評価する手法は、開拓開始当初よりも、重要性を増している。生成モデルは、それ自体が、冪乗則にしたがって発展することも2021年ごろから知られるようになった。その中で、人が生成したデータと、生成モデルが生成するデータとを比較し、生成モデルの性能を捉える本研究を、筆者は開拓採択時にすでに打ち出し、探求することができた。この観点は、今日、生成モデルを探求するさまざまな分野に広がりを見せ、スタンダードな手法の一つとなりつつある。この意味で、本研究成果は、タイムリーで学術的意義も大きく、また、人や自然との差を明確にする観点から社会的意義も大きい。

Report

(6 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (34 results)

All 2025 2024 2023 2022 2021 2020 Other

All Journal Article (12 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 9 results,  Open Access: 6 results) Presentation (16 results) (of which Int'l Joint Research: 7 results,  Invited: 8 results) Book (4 results) Remarks (1 results) Patent(Industrial Property Rights) (1 results) (of which Overseas: 1 results)

  • [Journal Article] Portfolio Selection based on Market States Acquired via Price and Non-Price Data2025

    • Author(s)
      Andy Chung; Kumiko Tanaka-Ishii; Takehisa Yairi
    • Journal Title

      Discover Data

      Volume: -

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Correlation dimension of natural language in a statistical manifold2024

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Journal Title

      Physical Review Research

      Volume: 6 Issue: 2

    • DOI

      10.1103/physrevresearch.6.l022028

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Correlation dimension of natural language in a statistical manifold2024

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Journal Title

      Physical Review Research

      Volume: -

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Improving the sensitivity of liver tumor classification in ultrasound images <i>via</i> a power-law shot noise model2023

    • Author(s)
      Karako K, Mihara Y, Hasegawa K, Chen Y
    • Journal Title

      BioScience Trends

      Volume: 17 Issue: 2 Pages: 117-125

    • DOI

      10.5582/bst.2023.01040

    • ISSN
      1881-7815, 1881-7823
    • Year and Date
      2023-04-30
    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 言語はファイナンス工学にどのように寄与し得るか-大規模言語モデルChatGPTとそれを支えるAI技術の盲点-2023

    • Author(s)
      田中久美子
    • Journal Title

      証券アナリストジャーナル

      Volume: 11(61) Pages: 73-82

    • Related Report
      2023 Research-status Report
  • [Journal Article] Stock portfolio selection balancing variance and tail risk via stock vector representation acquired from price data and texts2022

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Journal Title

      Knowledge-Based Systems

      Volume: 249 Pages: 108917-108917

    • DOI

      10.1016/j.knosys.2022.108917

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stock portfolio selection balancing variance and tail risk via stock vector representation acquired from price data and texts2022

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Journal Title

      Knowledge-Based Systems(Conditional acceptance)

      Volume: ***

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Improving the sensitivity of liver tumor classification in ultrasound images with a power-law shot noise model2022

    • Author(s)
      Kenji Karako, Kumiko, Yuichiro Mihara, Junichi Arita, Akihiko Ichida, Bae Sung, Yoshikuni Kawaguchi, Takeaki Ishizawa, Nobuhisa Akamatsu, Junichi Kaneko, Kiyoshi Hasegawa, Yu Chen
    • Journal Title

      Biosciencetrends(投稿中)

      Volume: ***

    • Related Report
      2021 Research-status Report
  • [Journal Article] Menzerath's law in the syntax of languages compared with random sentences2021

    • Author(s)
      Kumiko Tanaka-Ishii
    • Journal Title

      Entropy

      Volume: 23(6) Issue: 6 Pages: 661-661

    • DOI

      10.3390/e23060661

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A comparison of two fluctuation analyses for natural language clustering phenomena: Taylor vs. ebeling& neiman methods.2021

    • Author(s)
      Kumiko Tanaka-Ishii and Shuntaro Takahashi
    • Journal Title

      Fractals

      Volume: 2 Issue: 02 Pages: 2150033-2150033

    • DOI

      10.1142/s0218348x2150033x

    • Related Report
      2021 Research-status Report 2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 言語の長相関と文構造2021

    • Author(s)
      田中久美子
    • Journal Title

      数学セミナー

      Volume: 7 Pages: 8-12

    • Related Report
      2021 Research-status Report
  • [Journal Article] Automated liver tumor detection in abdominal ultrasonography with a modified Faster R-CNN architecture(in press)2021

    • Author(s)
      Karako, K., Mihara, Y., Arita, J., Ichida, A., Bae, S., Kawaguchi, Y., Ichizawa, T., Nobuhisa, A., Kaneko, J., Hasegawa, K., & Chen, Y.
    • Journal Title

      HepatoBiliary Surgery and Nutrition

      Volume: -

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Correlation dimension of large language models2024

    • Author(s)
      Kumiko Tanaka-Ishii and Xin Du
    • Organizer
      Fractal Geometry and Stochastics 7
    • Related Report
      2024 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 単語ベクトルに基づく新たな meaning-frequency law の検証.2024

    • Author(s)
      永田亮 田中久美子
    • Organizer
      言語処理学会第30回年次大会にて優秀賞受賞
    • Related Report
      2023 Research-status Report
  • [Presentation] Modeling momentum spillover with economic links discovered from financial documents2023

    • Author(s)
      Andy Chung and Kumiko Tanaka-Ishii
    • Organizer
      ACM International Conference on AI in Finance (ICAIF),
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] Predictability of post-earnings announcement drift with textual and contextual factors of earnings calls2023

    • Author(s)
      Andy Chung and Kumiko Tanaka-Ishii
    • Organizer
      ACM International Conference on AI in Finance (ICAIF),
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] Co-training realized volatility prediction model with neural distributional transformation2023

    • Author(s)
      Xin Du, Kai Moriyama, and Kumiko Tanaka-Ishii
    • Organizer
      ACM International Conference on AI in Finance (ICAIF),
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research
  • [Presentation] Human Signs through Semiotics of Computing2023

    • Author(s)
      Kumiko Tanaka-Ishii
    • Organizer
      Clare Hall Philosophy and History SIG Seminar
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Semantic field of words represented as non-linear potental functions2022

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Organizer
      36th Conference on Advances in Neural Information Processing Systems
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Bonsai, Constaline and Language: Scale-Free Property of Natural Language2022

    • Author(s)
      Kumiko Tanaka-Ishii
    • Organizer
      Clare Hall Colloquium
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] 複雑系の視点からの言語とプログラムの差異2022

    • Author(s)
      田中久美子
    • Organizer
      ソフトウエア技術者会議(SEA) フォーラム
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 言語を複雑系として捉える試み2022

    • Author(s)
      田中久美子
    • Organizer
      言語処理学会大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 言語の長相関2021

    • Author(s)
      田中久美子
    • Organizer
      応用数理学会大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Long Memory underlying Language2021

    • Author(s)
      Kumiko TANAKA-ISHII
    • Organizer
      International Conference on Quantitative Linguistics
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 「カオスを生きる:「デジタルは『ちょうどいい道具』になれるのか~個人データと自己の関係~」2021

    • Author(s)
      田中久美子(共同研究者七丈直弘教授による代理登壇)
    • Organizer
      代表を務めたRISTEX-HITE プロジェクトの招待講演
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 複雑系科学の観点からの言語研究の試み2021

    • Author(s)
      田中久美子
    • Organizer
      NLP コロキウム
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] A multi-agent simulation of wealth distribution under the influence of personalities2021

    • Author(s)
      Ganghao Liu and Yu Chen
    • Organizer
      Japan Society for Artificial Life - Workshop
    • Related Report
      2021 Research-status Report
  • [Presentation] Stock embeddings acquired from news articles and price history, and an ap-plication to portfolio optimization2020

    • Author(s)
      Xin Du and Kumiko Tanaka-Ishii
    • Organizer
      the 58th Annual Meeting of the Association for Computational Linguistics
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Book] Self-similar structure of sign systems: Not a metaphor. In Amir Bilgari, editor, Open Semiotics2022

    • Author(s)
      Kumiko Tanaka-Ishii
    • Publisher
      Hartman
    • Related Report
      2022 Research-status Report
  • [Book] 言語とフラクタル2021

    • Author(s)
      田中久美子
    • Total Pages
      344
    • Publisher
      東京大学出版会
    • Related Report
      2021 Research-status Report 2020 Research-status Report
  • [Book] Statistical Universals of Language: Between Mathematical Chance and Human Choice2021

    • Author(s)
      Kumiko Tanaka-Ishii
    • Total Pages
      244
    • Publisher
      Springer
    • Related Report
      2021 Research-status Report
  • [Book] Statistical Universals of Language: Between Mathematical Chance and Human Choice.2021

    • Author(s)
      Kumiko Tanaka-Ishii
    • Total Pages
      244
    • Publisher
      Springer
    • Related Report
      2020 Research-status Report
  • [Remarks] 深層学習技術に基づく株ポートフォリオ配信サイト

    • Related Report
      2021 Research-status Report
  • [Patent(Industrial Property Rights)] 情報処理装置、その制御方法、プログラム、ならびに、学習済モデル2021

    • Inventor(s)
      杜キンand 田中久美子
    • Industrial Property Rights Holder
      杜キンand 田中久美子
    • Industrial Property Rights Type
      特許
    • Filing Date
      2021
    • Acquisition Date
      2021
    • Related Report
      2021 Research-status Report
    • Overseas

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Published: 2020-08-03   Modified: 2026-01-16  

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