（Last updated : 2025-04-05 20:06:35）
  WATARU SOMA
   Department   Department of Data Science, Faculty of Data Science
   Position   Professor
■ Present specialized field
Data Science, Statistical Physics (Key Word：Big data, Machine learning) 
■ Book and thesis
1. Article Similarity and Connectivity of Industrial Networks of Japanese Prefecture Based on Firm-level Data   (Collaboration) 2022/09
2. Article Complex Global Interdependencies between Economic Policy Uncertainty and Geopolitical Risks Indices   (Collaboration) 2022/03
3. Article Macroscopic Structure of the supply-chain network and the growth of firm in Japan   (Collaboration) 2021/11
4. Article Characteristics of Principal Components in Stock Price Correlation   (Single) 2021/04
5. Article Multilayer Network Analysis of the Drug Pipeline in the Global Pharmaceutical Industry   (Collaboration) 2020/11/02
6. Article Earnings management, policy uncertainty and firm life cycle stages: evidence from publicly traded companies in the USA and Brazil, Journal of Financial Economic Policy   (Collaboration) 2020/10/01
7. Article Relationship between Macroeconomic Indicators and Economic Cycles in U.S.   (Collaboration) 2020/05/21
8. Article Classification of Paper Values Based on Citation Rank and PageRank   (Collaboration) 2020/05
9. Article Local bow-tie structure of the web   (Collaboration) 2019/04
10. Article Enhanced news sentiment analysis using deep learning methods   (Collaboration) 2019/02
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■ Book and thesis
1. Book Econophysics and Companies: Statistical Life and Death in Complex Business Networks   (Collaboration) 
2. Book Econophysics and Sociophysics: Trends and Perspectives   (Collaboration) 
3. Book Evolutionary Economics and Social Complexity Science 22   (Collaboration) 
4. Book Macro-Econophysics: New Studies on Economic Networks and Synchronization   (Collaboration) 
5. Book Scientometrics   (Collaboration) 
6. Book The Economics of Interfirm Networks   (Collaboration) 
7. Book New Insights on Principal Component Analysis   (Collaboration) 2023/08
8. Book Evolutionary Economics and Social Complexity Science 22   (Collaboration) 2020/08
9. Other New Measures of Journal Impact Based on the Number of Citations and PageRank   (Collaboration) 2019/12
10. Other New Measure of Journal Impact Based on Citation Network   (Collaboration) 2019/08
■ Academic conference presentation
1. Anticipating financial crises: elucidation of lead-lag structure of early warning indicators
2. Application of Complex Hilbert Principal Component Analysis to Financial Data
3. Application of Deep Learning to Forecast of Stock Price Change
4. Application of deep learning to the sentiment analysis in economy
5. Complex Interdependencies between Geopolitical Risk, Economic Policy Uncertainty, and Financial Market
6. Deep Learning in Finance and Economics
7. Distribution of Personal Income and Firm Size in Japan
8. Earnings Management and Geopolitical Risk
9. Enhanced news sentiment analysis using deep learning methods
10. Influence Measures of Paper and Journal Extracted from Citation Network
Display all(25)
■ Academic background
1. 1993/04～1996/03 〔Doctorial Course〕, Graduate School, Division of National Science and Technology, Kanazawa University, Completed, Doctor (Science)
2. 1991/04～1993/03 〔Master Course〕, Graduate School, Division of Natural Science, Kanazawa University, Completed, Master (Science)
3. 1986/04～1991/03 Faculty of Science, Yamagata University, Graduated, Bachelor of Science
■ Belonging society
1. 2019/06～ International Society for Scientometrics and Informetrics
2. 2017/04～ American Economic Association
3. 2005/06～ Information Processing Society Japan
4. 1993/07～ The Physical Society Japan
■ Main Subject
Machine Learning