Shogo Takedomi, Tsukasas Ishigaki, Yasushi Hanatsuka, Teppei Mori, Facility location optimization with pMP modeling incorporating waiting time prediction function for emergency road services, Computers & Industrial Engineering, Vol.164, pp.1-10, 2022
Kachun Lo, Tsukasa Ishigaki, PPNW: Personalized Pairwise Novelty Loss Weighting for Novel Recommendation, Knowledge and Information Systems, Vol.63, No.5, pp.1117-1148, 2021 (招待論文 as one of the best papers of IEEE ICDM 2019)
Yoko Ibuka, Yasumasa Matsuda, Keishi Shoji, Tsukasa Ishigaki, Evaluation of Regional Variations in Healthcare Utilization, Japanese Journal of Statistics and Data Science, Vol.3, pp.349-365, 2020
Tsukasa Ishigaki, Nobuhiko Terui, Tadahiko Sato and Greg M. Allenby, Personalized Market Response Analysis for a Wide Variety of Products from Sparse Transaction Data, International Journal of Data Science and Analytics, Vol.5, No.4, pp.233-248, 2018
Tsukasa Ishigaki, Tomoyuki Higuchi and Kajiro Watanabe, Fault Detection of Vibration Mechanism by Spectrum Classification with Divergence-based Kernel, IET Signal Processing, Vol.4, No.5, pp.518-529, 2010
Kajiro Watanabe, Tsukasa Ishigaki and Tomoyuki Higuchi, A Multi-variable Detection Device Based on a Capacitive Microphone and Its Application to Security, IEEE Transaction on Instrumentation and Measurement, Vol.59, No.7, pp.1955-1963, 2010
Tsukasa Ishigaki, Yoichi Motomura, Masako Dohi, Makiko Kouchi and Masaski Mochimaru, Knowledge Extraction from a Computational Consumer Model Based on Questionnaire Data Observed in Retail Service, International Journal of Systems and Service-Oriented Engineering (IJSSOE), Vol.1, No.2, pp.40-54, 2010
Takeshi Takenaka, Kousuke Fujita, Nariaki Nishino, Tsukasa Ishigaki and Yoichi Motomura, Transdisciplinary Approach to Service Design Based on Consumer's Value and Decision Making, International Journal of Organizational and Collective Intelligence, Vol.1, No.1, pp.58-75, 2010
Tsukasa Ishigaki and Tomoyuki Higuchi, Dynamic Spectrum Classification by Kernel Classifiers with Divergence-based Kernels and Its Applications to Acoustic Signals, International Journal of Knowledge Engineering and Soft Data Paradigms, Vol.1, No.2, pp.173-192, 2009
Tsukasa Ishigaki, Tomoyuki Higuchi and Kajiro Watanabe, An Information Fusion Based Multi-objective Security System with a Multiple-input/single-output Sensor, IEEE Sensors Journal, Vol.7, No.5, pp.734-742, 2007
Shogo Takedomi, Tsukasa Ishigaki, A Practical Facility Location Optimization with Uncertain Variables in Emergency Road Services, IEEE International Conference on Big Data (IEEE Big Data 2022), pp.2072-2081, December 17–20, in Osaka, Japan, 2022
Yan Zhou, Tsukasa Ishigaki and Shiro Kumano, Deep Explanatory Polytomous Item-Response Model for Predicting Idiosyncratic Affective Ratings, International Conference on Affective Computing & Intelligent Interaction (ACII 2021), pp.1-8, September 28 – October 1, online, 2021
Kachun Lo, Tsukasa Ishigaki, HANABI: Graph Embedding for Recommendation via Conditional Proximity, KDD'21 Workshop on Deep Learning on Graphs: Methods and Applications (DLG-KDD'21), 5 pages, Auguest 14-18, online, 2021 (Best Student Paper Award)
Kachun Lo, Tsukasa Ishigaki, X-2ch: Quad-Channel Collaborative Graph Network over Knowledge-Embedded Edges, The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021), pp.2076-2080, July 11-15, online, 2021
Linh Nguyen, Tsukasa Ishigaki, D2D-TM: A Cycle VAE-GAN for Multi-Domain Collaborative Filtering, IEEE International Conference on Big Data (IEEE Big Data 2019), pp.1175-1180, December 9-12, in Los Angeles, USA, 2019
Kachun Lo, Tsukasa Ishigaki, Matching Novelty while Training: Novel Recommendation based on Personalized Pairwise Loss Weighting, IEEE International Conference on Data Mining (IEEE ICDM 2019), pp.468-477, November 8-11, in Beijing, China, 2019
Linh Nguyen, Tsukasa Ishigaki, Collaborative Multi-key Learning with an Anonymization Dataset for a Recommender System, International Joint Conference on Neural Networks (IJCNN 2019), N-19049 (9 pages), July 14-19, in Budapest, Hungary, 2019
Linh Nguyen, Tsukasa Ishigaki, Data Quality Management of Chain Stores Based on Outlier Detection, Conference of the International Federation of Classification Societies (IFCS2017), August 7-10, in Tokyo, Japan, 2017 (in Advanced Researches in Classification and Data Science, Springer.2020)
Taisuke Ono, Hashita Waidyasooriya, Masanori Hariyama, Tsukasa Ishigaki, Architecture of an FPGA Accelerator for LDA-Based Inference, 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD2017), 6 pages, June 26-28, in Ishikawa, Japan, 2017
Takeshi Takenaka , Tsukasa Ishigaki, Yoichi Motomura and Takeshi Shinmura, Practical and Interactive Demand Forecasting Method for Retail and Restaurant Services, International Conference Advances in Production Management Systems (APMS), 8 pages, September 26-28, in Stavanger, Norway, 2011
Takeshi Takenaka, Takeshi Shinmura, Tsukasa Ishigaki, Yoichi Motomura and S.Ohura, Process Management in Restaurant Service; A Case Study of Japanese Restaurant Chain, International Symposium on Scheduling 2011 (ISS2011), pp.191-194, July 2-4 in Osaka, Japan, 2011 (スケジューリング学会技術賞)
Tsukasa Ishigaki, Takeshi Takenaka and Yoichi Motomura, Category Mining by Heterogeneous Data Fusion Using PdLSI Model in a Retail Service, IEEE International Conference on Data Mining (IEEE ICDM 2010), pp.857-862, December 14-17, in Sydney, Australia, 2010
Tsukasa Ishigaki, Takeshi Takenaka and Yoichi Motomura, Customer-Item Category Based Knowledge Discovery Support System and Its Application to Department Store Service, IEEE Asia-Pacific Services Computing Conference (IEEE APSCC 2010), pp.371-377, December 6-10,in Hangzhou, China, 2010
Tsukasa Ishigaki, Takeshi Takenaka and Yoichi Motomura, Computational Customer Behavior Modeling for Knowledge Management with an Automatic Categorization Using Retail Service's Datasets, Service-Oriented Knowledge Management and Business Intelligence (SOKMBI'10) Workshop on IEEE International Conference on e-Business Engineering, pp.528-533, November 10-12, in Shanghai, China, 2010
Tsukasa Ishigaki and Yoichi Motomura, Toward Computational Modeling of the Consumer Based on a Large-scale Dataset Observed in a Real Service, The International Conference on Soft Computing and Pattern Recognition (SoCPaR2009), pp.539-544, December 3-7 in Malacca, Malaysia, 2009
Tsukasa Ishigaki, Yoichi Motomura, Masako Dohi, Makiko Kouchi and Masaaki Mochimaru, Knowledge Extraction by Probabilistic Cognitive Structure Modeling Using a Bayesian Network for Use by a Retail Service, The International ACM Conference on Management of Emergent Digital EcoSystems (ACM-MEDES'09), pp.141-148, October 27-30, in Lyon, France, 2009
Tsukasa Ishigaki and Tomoyuki Higuchi, Parameter Identification of a Pressure Regulator with a Nonlinear Structure Using a Particle Filter based on the Nonlinear State Space Model, The 11th International Conference on Information Fusion (FUSION 2008), pp.886-891, June 30 - July 3, in Cologne, Germany, 2008
Tsukasa Ishigaki and Tomoyuki Higuchi, Dynamic Spectrum Classification by Divergence-Based Kernel Machines and Its Application to the Detection of Worn-out Banknotes, IEEE International Conference on Acoustics, Speech and Signal Processing (IEEE ICASSP 2008), pp.1873-1876, March 30 - April 4, in Las Vegas, USA, 2008
Tsukasa Ishigaki, Tomoyuki Higuchi and Kajiro Watanabe, Spectrum Classification for Early Fault Diagnosis of the LP Gas Pressure Regulator Based on the Kullback-Leibler Kernel, IEEE International Workshop on Machine Learning for Signal Processing (IEEE MLSP 2006), pp.453-458, September 6-8, in Maynooth, Ireland, 2006
Kenji Koyama, Kajiro Watanabe, Kazuyuki Kobayashi, Yosuke Kurihara, Tsukasa Ishigaki and Tomoyuki Higuchi, A Multi-variable Detecting Sensor and its Application, The SICE-ICCAS 2006, pp.4134-4137, October 18-21, in Busan, Korea, 2006 (with abstract review)
Tsukasa Ishigaki, Tomoyuki Higuchi and Kajiro Watanabe, Online Detection and Classification of Disasters by a Multiple-input/single-output Sensor for a Home Security System, IEEE International Joint Conference on Neural Networks (IEEE IJCNN 2006) on IEEE World Congress on Computational Intelligence, pp.5775-5782, July 16-21, in Vancouver, Canada, 2006
Tsukasa Ishigaki and Kajiro Watanabe, Signal Decomposition and Disaster Modeling for a Multi-variable Detecting Smart Security Sensor, The SICE Annual Conference 2005, pp.2163-2167, August 8-10, in Okayama, Japan, 2005 (with abstract review)
Tsukasa Ishigaki and Kajiro Watanabe, Modeling of LP Gas Single-Stage Pressure Regulator and Simulation of the Behavior of a Deteriorated Diaphragm, The SICE Annual Conference 2004, pp.1442-1445, August 4-6, in Sapporo, 2004 (with abstract review)
口頭発表のみ
Tsukasa Ishigaki, Customer Data Analysis on Graph Signal Processing, International Workshop on Marketing and Data Science, December 6-7, in Sendai, Japan, 2019
Tsukasa Ishigaki, Personalized Smart Marketing for a Wide Set of Customers and Products, Tohoku-UAE Joint Workshop, March 5-6, in Sendai, Japan, 2019
Tsukasa Ishigaki, Toward an Overall Optimization of Marketing Resource Allocation in Big-data Environment, International Workshop on Marketing Science and Service Research, December 21,22, in Tokyo, Japan, 2016
Tsukasa Ishigaki and Nobuhiko Terui, A Dynamic Marketing Model Based on Topic Modeling for Large-scale Customer Data, International Conference on Statistical Analysis of Large Scale High Dimensional Socio-Economics Data, November 6,7, in Sendai, Japan, 2014
Tsukasa Ishigaki, Nobuhiko Terui, Tadahiko Sato and Greg M Allenby, A Large-Scale Marketing Model using Dimension Reduction and Variational Bayes Inference, International Workshop on Data Science and Service Research, July 18, in Sendai, Japan, 2014
Tsukasa Ishigaki, Nobuhiko Terui, Tadahiko Sato and Greg M Allenby, Personalized Marketing Model by Using Massive Customer Data, International Workshop on Marketing Science and Service Research, July 2-3, in Tokyo, Japan, 2012
Tsukasa Ishigaki, Nobuhiko Terui and Tadahiko Sato, Toward Large-scale Customer Analysis in the Framework of Random Utility Model, ISBA 2012 World Meeting, June 25-29, in Kyoto, Japan, 2012 by poster presentation
Y.Sakamoto, K.Mashiko, Y.Motomura, Y.Nisgida, T.Ishigaki, N.Fujiki and H.Yokota, Analysis of Trauma Data Using an Advanced Statistical Method (Bayesian Network Approach), 11th European Congress of Trauma & Emergency Surgery, May 15-18, in Brussels, Belgium, 2010
Tsukasa Ishigaki and Tomoyuki Higuchi, Divergence-based Kernel for Spectrum Classification and Its Applications, 2008 Joint Statistical Meeting (JSM 2008), August 3-7, in Denver, U.S.A., 2008
Tsukasa Ishigaki, Tomoyuki Higuchi and Kajiro Watanabe, A Framework of Multivariable-simultaneous Measurement by a Single Device, The International Conference on Advanced Mathematical and Computational Tools in Metrology and Testing (AMCTM 2008), June 23-25, in Paris, France 2008 (without review)
Haruya Ishizuka, Tsukasa Ishigaki, Naoya Kobayashi, Daisuke Kudo, Atsuhiro Nakagawa, In-hospital Mortality Prediction for Trauma Patients Using Cost-sensitive MedLDA, Data Science and Service Research Discussion Paper, No.79, 2018
本間克仁, 石垣司, 階層ベイズ線形回帰モデルを利用した市町村の支出する除雪費が各地域に及ぼす経済効果分析, Data Science and Service Research Discussion Paper, No.J-2, 2017