Fast Mining and Dynamic Time-to-Event Prediction over Multi-sensor Data Streams
- URL: http://arxiv.org/abs/2601.04741v2
- Date: Thu, 15 Jan 2026 10:15:50 GMT
- Title: Fast Mining and Dynamic Time-to-Event Prediction over Multi-sensor Data Streams
- Authors: Kota Nakamura, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai,
- Abstract summary: This work aims to continuously forecast the timing of future events by analyzing multi-sensor data streams.<n>A key characteristic of real-world data streams is their dynamic nature, where the underlying patterns evolve over time.<n>We present TimeCast, a dynamic prediction framework designed to adapt to these changes and provide accurate, real-time predictions of future event time.
- Score: 15.63942084384363
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Given real-time sensor data streams obtained from machines, how can we continuously predict when a machine failure will occur? This work aims to continuously forecast the timing of future events by analyzing multi-sensor data streams. A key characteristic of real-world data streams is their dynamic nature, where the underlying patterns evolve over time. To address this, we present TimeCast, a dynamic prediction framework designed to adapt to these changes and provide accurate, real-time predictions of future event time. Our proposed method has the following properties: (a) Dynamic: it identifies the distinct time-evolving patterns (i.e., stages) and learns individual models for each, enabling us to make adaptive predictions based on pattern shifts. (b) Practical: it finds meaningful stages that capture time-varying interdependencies between multiple sensors and improve prediction performance; (c) Scalable: our algorithm scales linearly with the input size and enables online model updates on data streams. Extensive experiments on real datasets demonstrate that TimeCast provides higher prediction accuracy than state-of-the-art methods while finding dynamic changes in data streams with a great reduction in computational time.
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