大西 立顕

講演・口頭発表等

• Indicator of the Number of Stores and Facilities Suitable for Urban Population Using Scaling Exponents

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  Social Informatics 2019 2019年11月
• Applying a Change-point Detection Method to Housing Market Data

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  Conference on Complex Systems 2019 2019年10月
• Dimension Reduction of Molecular Fingerprints

  Takaaki Ohnishi, Mariko Ito

  Conference on Complex Systems 2019 2019年10月
• Using two-dimensional Kolmogorov-Smirnov statistics to characterize allometric scaling between population and number of facilities

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  FENS 2019 - 10th Polish Symposium on Physics in Economy and Social Sciences 2019年7月
• Continuous increases or decreases in city sizes observed in Japanese telephone directory data

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  DPG Spring Meeting 2019年4月2日
• Directional patterns of city size changes in Japan

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  The Computational Social Science Society of the Americas CSS 2018 2018年10月
• The dynamics of city growth observed in Japanese telephone directory data

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  Conference on Complex Systems 2018 2018年9月
• Statistical laws of urban development and decline

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  The 23rd Annual Workshop on Economic Science with Heterogeneous Interacting Agents (WEHIA 2018) 2018年6月
• Quantification of spatial collocation patterns of shops and facilities using the two-dimensional Kolmogorov-Smirnov statistic

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  13th German Probability and Statistics Days 2018 2018年2月
• Three State Model for Temporal Network Change Detection

  Chikara Mizokami, Takaaki Ohnishi

  NetSci-X 2018: International School and Conference on Network Science 2018年1月
• Use of the two-dimensional Kolmogorov-Smirnov test to measure spatial concentration in geospatial data

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  11th International Conference on Computational and Financial Econometrics (CFE 2017) 2017年12月
• Revealing Persistent Structure of International Trade by Nonnegative Matrix Factorization

  Chikara Mizokami, Takaaki Ohnishi

  COMPLEX NETWORKS 2017: The 6th International Conference on Complex Networks and Their Applications 2017年11月
• Irresponsible communities in global supply chain

  Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

  COMPLEX NETWORKS 2017: The 6th International Conference on Complex Networks and Their Applications 2017年11月
• International Trade Relationship from a Multilateral Point of View

  Hiroshi Iyetomi, Yuichi Ikeda, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

  COMPLEX NETWORKS 2017: The 6th International Conference on Complex Networks and Their Applications 2017年11月
• How to guard company's supply-chain risks by global inter-firm relationships

  Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

  Conference on Complex Systems 2017 2017年9月
• Characteristic Spatial Interaction between Shops and Facilities in Japan

  Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe

  Conference on Complex Systems 2017 2017年9月
• Using Network Motif Analysis to Characterize the International Trade Network

  T. Ohnishi, T. Mizuno, Y. Ikeda, H. Iyetomi, T. Watanabe

  SigmaPhi2017 2017年7月
• Exploiting global buyer-supplier networks to improve supply chain due diligence

  T. Mizuno, T. Ohnishi, T. Watanabe

  SigmaPhi2017 2017年7月
• A countermeasure for supply-chain risks based on structure of global buyer-supplier network

  Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

  8th Conference on Complex Networks (CompleNet'17) 2017年3月
• Daily living area detection using mobility network map equation

  Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

  COMPLEX NETWORKS 2016: The 5th International Conference on Complex Networks and Their Applications 2016年11月