Kohei Obata

11 papers A* 2A 1Journal 5Unranked 3

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Disentangled Mode-Specific Representations for Tensor Time Series via Contrastive Learning. CoRR Kohei Obata, Taichi Murayama, Zheng Chen, Yasuko Matsubara, Yasushi Sakurai
2026	J	`jnl`	Selective Denoising Diffusion Model for Time Series Anomaly Detection. CoRR Kohei Obata, Zheng Chen, Yasuko Matsubara, Lingwei Zhu, Yasushi Sakurai
2025	—	`conf`	Disentangled Mode-Specific Representations for Tensor Time Series via Contrastive Learning. PAKDD (6) Kohei Obata, Taichi Murayama, Zheng Chen, Yasuko Matsubara, Yasushi Sakurai
2025	—	`conf`	Robust and Explainable Detector of Time Series Anomaly via Augmenting Multiclass Pseudo-Anomalies. KDD (2) Kohei Obata, Yasuko Matsubara, Yasushi Sakurai
2025	J	`jnl`	Robust and Explainable Detector of Time Series Anomaly via Augmenting Multiclass Pseudo-Anomalies. CoRR Kohei Obata, Yasuko Matsubara, Yasushi Sakurai
2024	A*	`conf`	Dynamic Multi-Network Mining of Tensor Time Series. WWW Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
2024	J	`jnl`	Dynamic Multi-Network Mining of Tensor Time Series. CoRR Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
2024	A	`conf`	Gaussian Graphical Model-Based Clustering of Time Series Data. WSDM Kohei Obata
2024	A*	`conf`	Mining of Switching Sparse Networks for Missing Value Imputation in Multivariate Time Series. KDD Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
2024	J	`jnl`	Mining of Switching Sparse Networks for Missing Value Imputation in Multivariate Time Series. CoRR Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
2022	—	`conf`	Automatic Time-Series Clustering via Network Inference. PhD@VLDB Kohei Obata