-
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
国際会議
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
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe
Conference on Complex Systems 2018
2018年9月
-
Statistical laws of urban development and decline
国際会議
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
国際会議
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
国際会議
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
国際会議
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
国際会議
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
国際会議
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
国際会議
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
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
Conference on Complex Systems 2017
2017年9月
-
Characteristic Spatial Interaction between Shops and Facilities in Japan
国際会議
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
国際会議
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
国際会議
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
国際会議
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
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
COMPLEX NETWORKS 2016: The 5th International Conference on Complex Networks and Their Applications
2016年11月
-
Scaling relations between population and number of facilities
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe
Dynamics Days Latin America and the Caribbean
2016年10月
-
Scaling analysis of urban agglomeration observed in Japanese phone directory data
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe
Conference on Complex Systems 2016
2016年9月
-
Study of Quantitative Indicators for Urban Renewal by Utilizing Cultural Policy in Depopulated Areas
国際会議
Yasuko Kawahata, Takaaki Ohnishi
Asia-Pacific Econophysics Conference 2016
2016年8月
-
Characterizing industry agglomeration in Japan using urban allometric scaling
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Tsutomu Watanabe
Challenges in Data Science
2016年7月
-
Power Law of Market Capitalization and Stock Market Bubble
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
22nd International Conference on Computing in Economics and Finance (CEF 2016)
2016年6月
-
Urban scaling observed in Japanese telephone book data
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Tsutomu Watanabe
80th Annual Conference of the DPG
2016年3月
-
Real estate valuation using k-nearest neighbor regression
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
Econophysics-2015
2015年12月
-
Inter-firm money transfers: a weighted network analysis
国際会議
Michiaki Nakaya, Takaaki Ohnishi, Akira Ishii, Keiko Toya
Challenges in Data Science: a Complex Systems Perspective
2015年10月
-
Footprints of conflict minerals on global supply-chain network
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Hiroshi Iyetomi, Yuichi Ikeda, Tsutomu Watanabe
Challenges in Data Science: a Complex Systems Perspective
2015年10月
-
Using k-nearest neighbor method to estimate real estate prices
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
Econophysics Colloquium 2015
2015年9月
-
Structure of global buyer-supplier networks and its implications for conflict minerals regulations
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Hiroshi Iyetomi, Yuichi Ikeda, Tsutomu Watanabe
CCS'15
2015年9月
-
Relationship between job opportunities and economic environments measured from data in internet job searching sites
国際会議
Aki-Hiro Sato, Chihiro Shimizu, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
19th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES2015)
2015年9月
-
Estimating the Size of Market Areas and Bubbles in the Japanese Housing Market
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
CCS'15
2015年9月
-
Probable contribution of Data-driven investigation to solve problems in aging society
国際会議
Aki-Hiro Sato, Chihiro Shimizu, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
Asia-Pacific Econophysics Conference 2015
2015年7月
-
Network Motifs in the World Trade Network
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Yuichi Ikeda, Hiroshi Iyetomi, Tsutomu Watanabe
NetSci2015
2015年6月
-
Estimating firm-level risk in global inter-firm networks
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
NetSci2015
2015年6月
-
Community Structure and Synchronization of the Industry Sector Specific Trade Network
国際会議
Yuichi Ikeda, Hiroshi Iyetomi, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
NetSci2015
2015年6月
-
Global inter-firm networks and stock price correlations
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
6th Workshop on Complex Networks
2015年3月
-
Identification of network effect in the buyer-seller network
国際会議
R. Hisano, T. Mizuno, T. Ohnishi, T. Watanabe
8th International Conference on Computational and Financial Econometrics (CFE 2014)
2014年12月
-
Financial bubble detection using cross-sectional dispersion of price earnings ratios
国際会議
T. Mizuno, T. Ohnishi, T. Watanabe
8th International Conference on Computational and Financial Econometrics (CFE 2014)
2014年12月
-
The structure of global inter-firm networks
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutom Watanabe
SEDNAM: Socio-Economic Dynamics, Networks and Agent-based Models
2014年11月
-
Community Structure and Dynamics of the Industry Sector Specific International Trade Network
国際会議
Yuichi Ikeda, Hiroshi Iyetomi, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
The 10th International Conference on Signal Image Technology & Internet Based Systems
2014年11月
-
Empirical Agent-Based Modeling for Customer Portfolio Management: A Case of a Regional B2B Financial Service in Japan
国際会議
Makoto Mizuno, Kohei Arai, Akira Ishii, Yutaro Nemoto, Takaaki Ohnishi, Kosuke Oura, Kanako Ozawa, Keiko Toya
6th Annual Complexity in Business Conference
2014年10月
-
The structure of global inter-firm networks
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutom Watanabe
Complex Networks in International Economics (Satellite meeting of ECCS'14)
2014年9月
-
Simulating Value Co-Creation in B2B Financial Service: An Application of Empirical Agent-Based Modeling
国際会議
Makoto Mizuno, Keiko Toya, Kana Ozawa, Mayomi Haga, Yutaro Nemoto, Kohei Arai, Keisuke Oura, Akira Ishii, Takaaki Ohnishi
Social Simulation Conference 2014 (SSC2014)
2014年9月
-
Network Analysis of inter-firm payment flows using real monetary transaction records between firms
国際会議
T. Ohnishi, A. Ishii, K. Arai, K. Oura, K. Toya
The 2nd international conference on Serviceology (ICServ2014)
2014年9月
-
Locality and universality of population distribution
国際会議
S. Fujimoto, T. Mizuno, T. Ohnishi, C. Shimizu, T. Watanabe
Computationally Intensive Methods in Statistics and Econometrics (Satellite meeting of COMPSTAT 2014)
2014年8月
-
Large scale empirical analysis of buyer-seller network and its role in the business cycle
国際会議
R. Hisano, T. Mizuno, T. Ohnishi, T. Watanabe
Computationally Intensive Methods in Statistics and Econometrics (Satellite meeting of COMPSTAT 2014)
2014年8月
-
Forecasting volatility using financial big data sets
国際会議
T. Mizuno, T. Ohnishi, T. Watanabe
Computationally Intensive Methods in Statistics and Econometrics (Satellite meeting of COMPSTAT 2014)
2014年8月
-
Network analysis of inter-firm payment flows using real monetary transaction records between firms
国際会議
T. Ohnishi, A. Ishii, K. Arai, K. Oura, K. Toya
International Conference on Statistical Physics (SigmaPhi 2014)
2014年7月
-
Exogenous shocks in financial markets: Novelty and topicality detection in business news
国際会議
T. Mizuno, T. Ohnishi, T. Watanabe
International Conference on Statistical Physics (SigmaPhi 2014)
2014年7月
-
Community Structure and Wealth Transfer on Trade Network
国際会議
Yuichi Ikeda, Hiroshi Iyetomi, Tsutomu Watanabe, Takaaki Ohnishi, Takayuki Mizuno
NetSci2014
2014年6月
-
Applying PageRank to interfirm money transfer network
国際会議
Takaaki Ohnishi, Akira Ishii, Keiko Toya
NetSci2014
2014年6月
-
Use of house price distribution for estimating a local bubble indicator
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
11th German Probability and Statistics Days 2014
2014年3月
-
Financial market reactions to exogenous shocks
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
ECONOPHYS-KOLKATA VIII
2014年3月
-
Exogenous shocks in financial markets: Statistical analysis using business news
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
11th German Probability and Statistics Days 2014
2014年3月
-
Network analysis of inter-firm payment flows
国際会議
Takaaki Ohnishi, Akira Ishii
ESHIA Winter Workshop 2013
2013年11月
-
Estimating the Effects of Exogenous Shocks Using Business News and Stock Market Data
国際会議
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
ESHIA Winter Workshop 2013
2013年11月
-
Measuring the likelihood of housing bubbles: a spatio-temporal analysis
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
European Conference on Complex Systems 2013
2013年9月
-
The Mechanism behind Power-Law Distribution of Housing Prices
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Hiroshi Iyetomi, Tsutomu Watanabe
Statphys 25
2013年7月
-
Colored Motifs in Japanese Inter-firm Network
国際会議
Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
4th Workshop on Complex Networks
2013年3月
-
Using Property Price Distribution to Detect Real Estate Bubbles
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Tsutomu Watanabe
6th CSDA International Conference on Computational and Financial Econometrics (CFE 2012)
2012年12月
-
Spatial Heterogeneity and Real Estate Bubble
招待有り
国際会議
Takaaki Ohnishi
ECONOPHYS-KOLKATA VII
2012年11月
-
Structure and function of inter-firm relationships revealed by network motif analysis
国際会議
Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
XXXII Dynamics Days Europe
2012年9月
-
Replication of Non-Trivial Directional Motion in Multi-Scales Observed by Runs Test
国際会議
Yoshihiro Yura, Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
Latsis Symposium 2012
2012年9月
-
Habitable Area Distributions as a External Factor of the Population Distributions in Japan
国際会議
Shouji Fujimoto, Takayuki Mizuno, Takaaki Ohnishi, Chihiro Shimizu, Tsutomu Watanabe
XXXII Dynamics Days Europe
2012年9月
-
Using Network Motif Analysis to Characterize Inter-firm Transactions
国際会議
Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
NetSci2012
2012年6月
-
Social Networks in Business News
国際会議
Takayuki Mizuno, Ryohei Hisano, Takaaki Ohnishi, Tsutomu Watanabe
17th Annual Workshop on Economic Heterogeneous Interacting Agents
2012年6月
-
Habitable Area Distribution as Conditional of Population Distribution
国際会議
Shouji Fujimoto, Takayuki Mizuno, Takaaki Ohnishi, Chihiro Shimizu, Tsutomu Watanabe
17th Annual Workshop on Economic Heterogeneous Interacting Agents
2012年6月
-
House price distribution and bubbles in Japan and the U.S.
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Tsutomu Watanabe
10th German Probability and Statistics Days 2012
2012年3月
-
Time-frequency analysis of company news
国際会議
Takayuki Mizuno, Kazumasa Takei, Takaaki Ohnishi, Tsutomu Watanabe
European Conference on Complex Systems 2011
2011年9月
-
Recurrence interval analysis of high-frequency returns on foreign exchange
国際会議
Takaaki Ohnishi, Hideki Takayasu, Takatoshi Ito, Yuko Hashimoto, Tsutomu Watanabe, Misako Takayasu
European Conference on Complex Systems 2011
2011年9月
-
Cluster analysis of the population in Japan
国際会議
Shouji Fujimoto, Chihiro Shimizu, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
European Conference on Complex Systems 2011
2011年9月
-
On the evolution of the house price distribution
招待有り
国際会議
Takaaki Ohnishi
the 58th World Statistics Congress of the International Statistical Institute (ISI)
2011年8月
-
Characteristics of bubble in house price distribution of Japan
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Tsutomu Watanabe
International Conference on Statistical Physics (SigmaPhi 2011)
2011年7月
-
Time-frequency analysis of company news
国際会議
Takayuki Mizuno, Kazumasa Takei, Takaaki Ohnishi, Tsutomu Watanabe
International Workshop on Coping Crises in Complex Socio-Economic Systems
2011年6月
-
Detection of bubbles in Japanese house prices
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Chihiro Shimizu, Tsutomu Watanabe
International Workshop on Coping with Crises in Complex Socio-Economic Systems 2011
2011年6月
-
A comprehensive directional motion analysis of market fluctuations
国際会議
Takaaki Ohnishi, Hideki Takayasu, Takatoshi Ito, Yuko Hashimoto, Tsutomu Watanabe, Misako Takayasu
International Conference on Econophysics 2011
2011年6月
-
The market impact of company news in NYSE
国際会議
Takayuki Mizuno, Kazumasa Takei, Takaaki Ohnishi, Tsutomu Watanabe
First Workshop on Quantitative Finance and Economics
2011年2月
-
Detecting and analyzing nonstationarity in foreign exchange market
国際会議
Takaaki Ohnishi, Hideki Takayasu, Takatoshi Ito, Yuko Hashimoto, Tsutomu Watanabe, Misako Takayasu
Econophysics Colloquium 2010
2010年11月
-
PageRank for characterizing growth possibility in Japanese inter-firm network
国際会議
Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
2nd Workshop on Complex Networks
2010年10月
-
Structural motif-based classification of nodes in Japanese inter-firm network
国際会議
Takaaki Ohnishi, Hideki Takayasu, Misako Takayasu
Statphys 24
2010年7月
-
The role of strongly-connected components in the network of Japanese companies
国際会議
S. Sameshima, T. Ohnishi, H. Takayasu, M. Takayasu
Applications of Physics in Financial Analysis 7
2009年3月
-
Network Motifs in Inter-firm Network
国際会議
T. Ohnishi, H. Takayasu, M. Takayasu
Applications of Physics in Financial Analysis 7
2009年3月
-
Dynamics of deal price in foreign exchange market
国際会議
Takaaki Ohnishi, Hideki Takayasu, Takatoshi Ito, Yuko Hashimoto, Tsutomu Watanabe, Misako Takayasu
Econophysics Colloquium and Third Bonzenfreies Colloquium
2006年11月
-
Characterization of Temporal Behavior of Foreign Exchange Markets
国際会議
Misako Takayasu, Takaaki Ohnishi, Takayuki Mizuno, Hideki Takayasu
First International Workshop on Intelligent Finance, A Convergence of Mathematical Finance with Technical and Fundamental Analysis
2004年12月
-
Systematic tuning of optimal weighted-moving-average of yen-dollar market data
国際会議
Takaaki Ohnishi, Takayuki Mizuno, Kazuyuki Aihara, Misako Takayasu, Hideki Takayasu
The Third Nikkei Econophysics Symposium -Practical Fruits of Econophysics-
2004年11月
-
Statistical properties of the moving average price in dollar-yen exchange rates
国際会議
Takaaki Ohnishi, Kazuyuki Aihara, Misako Takayasu, Hideki Takayasu
Applications of Physics in Financial Analysis 4
2003年11月
-
Neural Response and Spatio-temporal Learning
国際会議
Takaaki Ohnishi, Kazuyuki Aihara
International Symposium on Nonlinear Theory and its Applications 2001
2001年10月