J-GLOBAL         Last updated: Sep 26, 2019 at 13:33
Tohoku University
Graduate School of Economics and Management
Job title
Associate Professor

Research Areas


Academic & Professional Experience

Apr 2013
Associate Professor, Graduate School of Economics and Management, Tohoku University
Jun 2011
Mar 2013
Senior Assistant Professor, Graduate School of Economics and Management, Tohoku University
Oct 2008
May 2011
Postdoctoral Researcher, Research for Service Engineering, AIST
Oct 2007
Sep 2008
Researcher, CREST, JST


Apr 2005
Sep 2007
Department of Statistical Science, Graduate School of Multidisciplinary Sciences, The Graduate University for Advanced Studies
Apr 2003
Mar 2005
Department of System Engineering, Graduate School of Engineering, Hosei University
Apr 1999
Mar 2003
Department of System Control Engineering, Faculty of Engineering, Hosei University

Published Papers

Matching Novelty while Training: Novel Recommendation based on Personalized Pairwise Loss Weighting
K. Lo, T. Ishigaki
Proceedings of the IEEE International Conference on Data Mining (ICDM 2019)      2019   [Refereed]
Collaborative Multi-key Learning with an Anonymization Dataset for a Recommender System
L. Nguyen, T. Ishigaki
Proceedings of the International Joint Conference on Neural Networks (IJCNN 2019)   (N-19049) 9 pages   2019   [Refereed]
Personalized Market Response Analysis for a Wide Variety of Products from Sparse Transaction Data
T. Ishigaki, N. Terui, T. Sato and G.M. Allenby
International Journal of Data Science and Analytics   5(4) 233-248   2018   [Refereed]
Architecture of an FPGA Accelerator for LDA-Based Inference
T. Ono, H. Waidyasooriya, M. Hariyama, T. Ishigaki
Proceedings of the 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD2017)   6 pages   2017   [Refereed]
Process Management in Restaurant Service; A Case Study of Japanese Restaurant Chain
T. Takenaka, T. Shinmura, T. Ishigaki, Y. Motomura and S. Ohura
Proceedings of the International Symposium on Scheduling 2011 (ISS2011)   191-194   2011   [Refereed]

Research Grants & Projects

JSPS: KAKENHI Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2017 - Mar 2020    Investigator(s): T. ISHIGAKI
Large-scale personalized marketing modeling for effective use of transaction data
JSPS: KAKENHI Grant-in-Aid for Young Scientists (A)
Project Year: Apr 2012 - Mar 2015    Investigator(s): T. ISHIGAKI
Research of computational customer modeling based on large-scale datasets and various situations in retail service
JSPS: KAKENHI Grant-in-Aid for Young Scientists (B)
Project Year: Apr 2009 - Mar 2011