Publications

#International Conference

  1. Naoki Chihara, Yasuko Matsubara, Ren Fujiwara, Yasushi Sakurai. Modeling Time-evolving Causality over Data Streams. The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD ’25), Tronto, ON, Canada, August 3-7, 2025 (acceptance rate: 19%).
    [paper] [code] [arXiv] [abstract]
  2. Naoki Chihara, Yasuko Matsubara, Ren Fujiwara, Yasushi Sakurai. Stream Mining Time-evolving Causality in Time Series. The 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD ’24) PhD Consortium, Barcelona, Spain, August 25-29, 2024.

#Journal

  1. Naoki Chihara, Yasuko Matsubara, Ren Fujiwara, Yasushi Sakurai. Real-time Forecasting of Time-evolving Data Streams using Dynamic Mode Decomposition. IPSJ Transactions on Databases (TOD), Vol. 17, No. 2, pp. 1-11, April 23, 2024.
    [paper] [cite] [abstract]
  2. Naoki Chihara, Tadafumi Takata, Yasuhiro Fujiwara, Koki Noda, Keisuke Toyoda, Kaito Higuchi, Makoto Onizuka. Effective detection of variable celestial objects using machine learning-based periodic analysis. Astronomy and Computing, Vol. 45, pp. 100765, November 3, 2023.
    [paper] [cite] [abstract]

#Domestic Conference

  1. Naoki Chihara, Yasuko Matsubara, Ren Fujiwara, Yasushi Sakurai. 時間変化する因果関係の抽出に基づいた高速将来予測. The 17th Forum on Data Engineering and Information Management (DEIM2025), Fukuoka, Japan, February 27 - March 4, 2025. Student Presentation Award.
  2. Naoki Chihara, Yasuko Matsubara, Ren Fujiwara, Yasushi Sakurai. 動的モード分解を活用した高速将来予測アルゴリズム. The 16th Forum on Data Engineering and Information Management (DEIM2024), Hyogo, Japan, February 28 - March 5, 2024. Best Paper Award Runner-up, IPSJ Yamashita SIG Research Award.
  3. Aiyi Li, Kenya Hoshimure, Kei Tanigaki, Yota Hatano, Reina Nozawa, Yuki Sakamoto, Yuanzhou Wei, Naoki Chihara, Naoki Kodani. Semi-autonomous Leader-follower Approach for Swarm Drone Guidance. The 36th SICE Symposium on Decentralized Autonomous Systems, Tokyo, Japan, February 16-17, 2024.
  4. Naoki Chihara, Tadafumi Takata, Yasuhiro Fujiwara, Makoto Onizuka. 周期解析による変動天体の検出. The 15th Forum on Data Engineering and Information Management (DEIM2023), Gifu, Japan, March 5-9, 2023.

#Patent

  1. Yasuhiro Fujiwara, Makoto Onizuka, Naoki Chihara. 検出装置、検出⽅法及びプログラム. 特願2023-099796, 特開2025-000129, 出願日: 2023.06.19, 公開日: 2025.01.07.