Takaaki Ohnishi

According to our database, Takaaki Ohnishi authored at least 23 papers between 2012 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Fluctuations in the Number of Stores by Industry During the COVID-19 Pandemic Based on Japanese Phone Book Entries.

Saki Saito, Mariko I. Ito, Takaaki Ohnishi

Rev. Socionetwork Strateg., 2022

Preface of Special Issue on Data Science Questing for a Better Society.

Takayuki Mizuno, Takaaki Ohnishi, Ryohei Hisano, Hiroshi Iyetomi, Tsutomu Watanabe

Rev. Socionetwork Strateg., 2022

Fluctuation in Grocery Sales by Brand: An Analysis Using Taylor's Law.

Kazuki Koyama, Mariko I. Ito, Takaaki Ohnishi

Rev. Socionetwork Strateg., 2022

ID-POS Data Analysis Using TV Commercial Viewership Data.

Taizo Horikomi, Mariko I. Ito, Takaaki Ohnishi

Rev. Socionetwork Strateg., 2022

2021

Visualizing Social and Behavior Change due to the Outbreak of COVID-19 Using Mobile Phone Location Data.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

New Gener. Comput., 2021

Co-occurrence network of TV advertisements revealing Japanese lifestyle.

Mariko I. Ito, Takaaki Ohnishi

Appl. Netw. Sci., 2021

2020

Complex Network Representation of the Structure-Mechanical Property Relationships in Elastomers with Heterogeneous Connectivity.

Yoshifumi Amamoto, Ken Kojio, Atsushi Takahara, Yuichi Masubuchi, Takaaki Ohnishi

Patterns, 2020

Gaussian Hierarchical Latent Dirichlet Allocation: Bringing Polysemy Back.

Takahiro Yoshida, Ryohei Hisano, Takaaki Ohnishi

CoRR, 2020

Weighted Network Analysis for Computer-Aided Drug Discovery.

Mariko I. Ito, Takaaki Ohnishi

Proceedings of the Intelligent Decision Technologies, 2020

Nondiagonal Mixture of Dirichlet Network Distributions for Analyzing a Stock Ownership Network.

Wenning Zhang, Ryohei Hisano, Takaaki Ohnishi, Takayuki Mizuno

Proceedings of the Complex Networks & Their Applications IX, 2020

Uncovering the Image Structure of Japanese TV Commercials Through a Co-occurrence Network Representation.

Mariko I. Ito, Takaaki Ohnishi

Proceedings of the Complex Networks & Their Applications IX, 2020

2019

Detecting Stock Market Bubbles Based on the Cross-Sectional Dispersion of Stock Prices.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

Proceedings of the 23rd Asia Pacific Symposium on Intelligent and Evolutionary Systems, 2019

2017

Novel and topical business news and their impact on stock market activity.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

EPJ Data Sci., 2017

The gradual evolution of buyer-seller networks and their role in aggregate fluctuations.

Ryohei Hisano, Tsutomu Watanabe, Takayuki Mizuno, Takaaki Ohnishi, Didier Sornette

Appl. Netw. Sci., 2017

Revealing Persistent Structure of International Trade by Nonnegative Matrix Factorization.

Chikara Mizokami, Takaaki Ohnishi

Proceedings of the Complex Networks & Their Applications VI, 2017

2016

Simulating Customer-to-Customer Interaction In a B2B Financial Service Business By Empirical Agent-Based Modeling.

Makoto Mizuno, Keiko Toya, Kana Ozawa, Yutaro Nemoto, Shintaro Tanno, Kohei Arai, Keisuke Oura, Akira Ishii, Takaaki Ohnishi

EAI Endorsed Trans. Serious Games, 2016

Structure of global buyer-supplier networks and its implications for conflict minerals regulations.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

EPJ Data Sci., 2016

2015

Novel and topical business news and their impact on stock market activities.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

CoRR, 2015

Relationship between Job Opportunities and Economic Environments Measured from Data in Internet Job Searching Sites.

Aki-Hiro Sato, Chihiro Shimizu, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

Proceedings of the 19th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2015

2014

The Structure of Global Inter-firm Networks.

Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

Proceedings of the Social Informatics - SocInfo 2014 International Workshops, Barcelona, 2014

Community Structure and Dynamics of the Industry Sector-Specific International-Trade-Network.

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

Proceedings of the Tenth International Conference on Signal-Image Technology and Internet-Based Systems, 2014

2013

Ecosystems perspective on financial networks: Diagnostic tools.

Eduardo Viegas, Misako Takayasu, Wataru Miura, Koutarou Tamura, Takaaki Ohnishi, Hideki Takayasu, Henrik Jeldtoft Jensen

Complex., 2013

2012

High quality topic extraction from business news explains abnormal financial market volatility

Ryohei Hisano, Didier Sornette, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe

CoRR, 2012