Cited by 3,291Time Series Analysis and ForecastingForecasting Techniques and ApplicationsTraffic Prediction and Management Techniques

Temporal Fusion Transformers for interpretable multi-horizon time series forecasting

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Lim, Bryan, Arık, Sercan Ö., Loeff, Nicolas, Pfister, Tomas·2021·International Journal of Forecasting

Abstract

Multi-horizon forecasting often contains a complex mix of inputs – including static (i.e. time-invariant) covariates, known future inputs, and other exogenous time series that are only observed in the past – without any prior information on how they interact with the target. Several deep learning methods have been proposed, but they are typically ‘black-box’ models that do not shed light on how they use the full range of inputs present in practical scenarios. In this paper, we introduce the Temporal Fusion Transformer (TFT) – a novel attention-based architecture that combines high-performance multi-horizon forecasting with interpretable insights into temporal dynamics. To learn temporal relationships at different scales, TFT uses recurrent layers for local processing and interpretable self-attention layers for long-term dependencies. TFT utilizes specialized components to select relevant features and a series of gating layers to suppress unnecessary components, enabling high performance in a wide range of scenarios. On a variety of real-world datasets, we demonstrate significant performance improvements over existing benchmarks, and highlight three practical interpretability use cases of TFT.

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  • Recent work in a time-series analysis by Google has demonstrated the promise of attention-based model architectures to combine both static and time-dependent inputs to achieve interpretable time-series forecasting.

    “Of note, recent work in a time-series analysis by Google has demonstrated the promise of attention-based model architectures to combine both static and time-dependent inputs to achieve interpretable time-series forecasting.”

    From Multimodal biomedical AI (2022) · cites this paper as [41]

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Research works printed but not linked: 3

  1. Comaniciu, D., Ramesh, V., & Meer, P. (2003). Kernel-based object track- ing. IEEE Transactions on Pattern Analysis and Machine Intelligence, 25(5), 564-577.
  2. Hylleberg, S. (Ed.), (1992). Modelling seasonality. Oxford University Press.
  3. Lim, B., Alaa, A., & van der Schaar, M. (2018). Forecasting treatment responses over time using recurrent marginal structural networks. In NeurIPS.

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Authors
Lim, B., Arık, S. Ö., Loeff, N., & Pfister, T.
Affiliations
  • University of Oxford (GB)
  • Google (United States) (US)
Corresponding author
Lim, Bryan
Venue
International Journal of Forecasting
Publisher
Elsevier BV
Published
2021-10
Volume
37
Issue
4
Pages
1748-1764
ISSN
0169-2070 (ISSN-L)
OpenAlex
W2996331899
Cited by
3,291
References
41
Citations by year
2026: 1359 · 2025: 827 · 2024: 508 · 2023: 362 · 2022: 153 · 2021: 66 · 2020: 16
FWCI
126.76
Type
journal article
Language
en
Open access
Locations
  • International Journal of Forecasting (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • arXiv (Cornell University)
Funders
Google Inc
Topics
  • Physical Sciences › Computer Science › Signal Processing › Time Series Analysis and Forecasting
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Forecasting Techniques and Applications
  • Physical Sciences › Engineering › Building and Construction › Traffic Prediction and Management Techniques
Keywords
Temporal Fusion Transformer, interpretability, self-attention, gating mechanism, feature selection, exogenous variables, recurrent layers, long-range dependencies, temporal dynamics

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