Unsupervised Tensor based Feature Extraction and Outlier Detection for Multivariate Time Series. - Kiyotaka Matsue; Mahito Sugiyama (DSAA, 2021)

Unsupervised feature extraction from multivariate time series for outlier detection. - Kiyotaka Matsue; Mahito Sugiyama (Intell. Data Anal., 2022)

Unsupervised Tensor Based Feature Extraction From Multivariate Time Series. - Kiyotaka Matsue; Mahito Sugiyama (IEEE Access, 2023)

On-the-fly mathematical formulation for estimating people flow from elevator load data in smart building virtual sensing platforms. - Koichi Kondo; Ryosuke Ohori; Kiyotaka Matsue; Hiroyuki Aizu (J. Comput. Sci., 2025)