Kouki Kawabata

2026

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Interpretable Dynamic Network Modeling of Tensor Time Series via Kronecker Time-Varying Graphical Lasso.
Shingo Higashiguchi|Koki Kawabata|Yasuko Matsubara|Yasushi Sakurai
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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CyberCScope: Mining Skewed Tensor Streams and Online Anomaly Detection in Cybersecurity Systems.
Kota Nakamura|Koki Kawabata|Shungo Tanaka|Yasuko Matsubara|Yasushi Sakurai
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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Dynamic Multi-Network Mining of Tensor Time Series.
Kohei Obata|Koki Kawabata|Yasuko Matsubara|Yasushi Sakurai
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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Modeling Dynamic Interactions over Tensor Streams.
Koki Kawabata|Yasuko Matsubara|Yasushi Sakurai
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
doi dblp
Fast and Multi-aspect Mining of Complex Time-stamped Event Streams.
Kota Nakamura|Yasuko Matsubara|Koki Kawabata|Yuhei Umeda|Yuichiro Wada|Yasushi Sakurai
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2019

doi dblp
Automatic Sequential Pattern Mining in Data Streams.
Kouki Kawabata|Yasuko Matsubara|Yasushi Sakurai
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.