Cited by 46Explainable Artificial Intelligence (XAI)Time Series Analysis and ForecastingData Mining Algorithms and Applications

Explaining Any Time Series Classifier

Guidotti, Riccardo, Monreale, Anna, Spinnato, Francesco, Pedreschi, Dino, Giannotti, Fosca·2020·2020 IEEE Second International Conference on Cognitive Machine Intelligence (CogMI)

Abstract

We present a method to explain the decisions of black box models for time series classification. The explanation consists of factual and counterfactual shapelet-based rules revealing the reasons for the classification, and of a set of exemplars and counter-exemplars highlighting similarities and differences with the time series under analysis. The proposed method first generates exemplar and counter-exemplar time series in the latent feature space and learns a local latent decision tree classifier. Then, it selects and decodes those respecting the decision rules explaining the decision. Finally, it learns on them a shapelet-tree that reveals the parts of the time series that must, and must not, be contained for getting the returned outcome from the black box. A wide experimentation shows that the proposed method provides faithful, meaningful and interpretable explanations.

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Crossref · 10.1109/cogmi50398.2020.00029

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  • Various techniques have been proposed to analyze longitudinal data with XAI, but most have not yet been extensively applied to real-world clinical questions.

    “Similarly, various techniques have been proposed to analyze longitudinal data with XAI57,87–90, but most have not yet been extensively applied to real-world clinical questions.”

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Authors
Guidotti, R., Monreale, A., Spinnato, F., Pedreschi, D., & Giannotti, F.
Affiliations
  • Istituto di Scienza e Tecnologie dell'Informazione "Alessandro Faedo" (IT)
  • University of Pisa (IT)
Venue
2020 IEEE Second International Conference on Cognitive Machine Intelligence (CogMI)
Publisher
IEEE
Published
2020-10
Pages
167-176
OpenAlex
W3121603028
Cited by
46
References
50
Citations by year
2026: 4 · 2025: 6 · 2024: 11 · 2023: 15 · 2022: 8 · 2021: 2
FWCI
2.39
Type
conference paper
Language
en
Open access
closed
Locations
  • IEEE International Conference on Cognitive Machine Intelligence (CogMI) (publishedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion)
  • Scuola Normale Superiore di Pisa (submittedVersion)
Funders
European Community H2020 programme (INFRAIA-01-2018-2019)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
  • Physical Sciences › Computer Science › Signal Processing › Time Series Analysis and Forecasting
  • Physical Sciences › Computer Science › Information Systems › Data Mining Algorithms and Applications
Keywords
explainable AI, time series classification, black-box models, shapelets, counterfactual explanations, latent space, interpretability

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