Matthias Bittner, Andreas Hinterreiter, Klaus Eckelt, Marc Streit,
"Explainable Long- and Short-term Pattern Detection in Projected Sequential Data"
, in ECML PKDD Workshop on Explainable AI for Time Series: Advances and Applications: Proceedings XAI-TX 2023, Serie XAI-TX '23, 2024
Original Titel:
Explainable Long- and Short-term Pattern Detection in Projected Sequential Data
Sprache des Titels:
Englisch
Original Buchtitel:
Proceedings XAI-TX 2023
Original Kurzfassung:
Combining explainable artificial intelligence and information visualization holds great potential for users to understand and reason about complex multidimensional sequential data. This work proposes a semi-supervised two-step approach for extracting long- and short-term patterns in low-dimensional representations of sequential data. First, unsupervised sequence clustering is used to identify long-term patterns. Second, these long-term patterns serve as supervisory information for training a self-attention-based sequence classification model. The resulting feature embedding is used to identify short-term patterns. The approach is validated on a self-generated dataset consisting of heart-shaped paths with different sampling rates, rotations, scales, and translations. The results demonstrate the approach's effectiveness for clustering semantically similar paths and/or path sequences. This detection of both global long-term patterns and local short-term patterns facilitates the understanding and reasoning about complex multidimensional sequential data.
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