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NEC R&D Members

Yasuhiro Sogawa

Data Mining Technology Group,
Data Science Research Laboratories,
NEC Corporation

Address:
1753, Shimonumabe, Nakahara-ku, Kawasaki-shi, Kanagawa, 211-8666, Japan

Research Domains

  • Machine Learning and Statistical Learning
  • Data Mining and Applications
  • Causal Discovery and Active Learning

International Journal

  • Y. Sogawa, T. Ueno, Y. Kawahara, & T. Washio, Active learning for noisy oracle via density power divergence, Neural Networks, 46: 133-143, 2013.
  • S. Shimizu, T. Inazumi, Y. Sogawa, A. Hyvarinen, Y. Kawahara, T. Washio, P. O. Hoyer & K. Bollen, DirectLiNGAM: A direct method for learning a linear non-Gaussian structural equation model, Journal of Machine Learning Research, 12(Apr): 1225-1248, 2011.
  • Y. Sogawa, S. Shimizu, T. Shimamura, A. Hyvarinen, T. Washio, & S. Imoto, Estimating Exogenous Variables in Data with More Variables than Observations, Neural Networks, 24: 875-880, 2011 (Special Issue: ICANN2010).

Domestic Journal

  • Yasuhiro Sogawa, Tsuyoshi Ueno, Yoshinobu Kawahara, & Takashi Washio, Active Learning for Regression via Density Power Divergence, Transactions of the Japanese Society for Artificial Intelligence, Vol.28, No.1: 13-21, 2013. (Japanese)

International Conference

  • Y. Sogawa, Tsuyoshi Ueno, Yoshinobu Kawahara & Takashi Washio, Robust Active Learning for Linear Regression via Density Power Divergence in Proc. International Conference on Neural Information Processing (ICONIP2012), pp.594-602, Doha, Qatar, November, 2012. (In press)
  • R. Fujimaki, Y. Sogawa & S. Morinaga, Online Heterogeneous Mixture Modeling with Marginal and Copula Selection, In Proc. the 17th annual ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2011), pp.645-653, San Diego, California, USA, August, 2011.
  • Y. Sogawa, S. Shimizu, A. Hyvarinen, T. Washio, S. Teppei & S. Imoto, Discovery of Exogenous Variables in Data with More Variables than Observations, in Proc. International Conference on Artificial Neural Networks (ICANN2010), pp.67-76, Thessaloniki, Greece, September, 2010.
  • Y. Sogawa, S. Shimizu, Y. Kawahara & T. Washio, An experimental comparison of linear non-Gaussian causal discovery methods and their variants, in Proc. International Joint Conference on Neural Networks (IJCNN2010), pp.768-775, Barcelona, Spain, July, 2010.

Biography

  • March 2009Completed a bachelor's course of Engineering, Div. of Electronic, Enegy and Information Engineering, Osaka University
  • Sept. 2010Completed a master's course of Engineering, Dept. of Information and Communications Technology, Osaka University
  • March 2013Completed a doctor's course of Engineering, Dept. of Information and Communications Technology, Osaka University
  • April 2013Joined Knowledge Discovery Research Labs., NEC.
  • April 2015Joined Value Co-Creation Centor., NEC.
  • April 2017Joined Data Science Labs., NEC

Memberships

  • The Japanease Society for Artificial Intelligence (JSAI)

Awards

  • 2010.9 Student Travel Award, Int. Conf. on Artificial Neural Networks(ICANN2010), Thessaloniki, Greece, September, 2010.

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