Selected Publications

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All papers are listed below in reverse chronological order in which they appeared online. Our papers have been cited more than 1,000 times on Google Scholar, and they have been published in some top-tier scientific journals (e.g., TPAMI and TKDE).

Preprint

• Laplacian convolutional representation for traffic time series imputation
  arXiv preprint arXiv:2212.01529.
  Xinyu Chen, Zhanhong Cheng, Nicolas Saunier, Lijun Sun
  [Preprint] [PDF] [Slides] [Data & Python code]

• Nonstationary temporal matrix factorization for multivariate time series forecasting
  arXiv preprint arXiv:2203.10651.
  Xinyu Chen, Chengyuan Zhang, Xi-Le Zhao, Nicolas Saunier, Lijun Sun
  [Preprint] [Slides] [Data & Python code] [Blog post I] [Blog post II]

2024

• Discovering dynamic patterns from spatiotemporal data with time-varying low-rank autoregression
  IEEE Transactions on Knowledge and Data Engineering (TKDE), 2024, 36 (2): 504-517.
  Xinyu Chen, Chengyuan Zhang, Xiaoxu Chen, Nicolas Saunier, Lijun Sun
  [PDF] [Data & Python code] [Blog post]

2022

• Bayesian temporal factorization for multidimensional time series prediction
  IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2022, 44 (9): 4659-4673.
  Xinyu Chen, Lijun Sun
  [Preprint] [Slides] [Data & Python code] 100+ citations
  (impact factor: 23.6)

  (ESI hot paper 🔥) (ESI highly cited paper 🏆)

• Low-rank autoregressive tensor completion for spatiotemporal traffic data imputation
  IEEE Transactions on Intelligent Transportation Systems, 2022, 23 (8): 12301-12310.
  Xinyu Chen, Mengying Lei, Nicolas Saunier, Lijun Sun
  [Preprint] [Data & Python code] [Toy example]

  (ESI hot paper 🔥)

2021

• Scalable low-rank tensor learning for spatiotemporal traffic data imputation
  Transportation Research Part C: Emerging Technologies, 2021, 129: 103226.
  Xinyu Chen, Yixian Chen, Nicolas Saunier, Lijun Sun
  [Preprint] [Data] [Python code]

2020

• A nonconvex low-rank tensor completion model for spatiotemporal traffic data imputation
  Transportation Research Part C: Emerging Technologies, 2020, 117: 102673.
  Xinyu Chen, Jinming Yang, Lijun Sun
  [Preprint] [Data & Python code] 100+ citations

2019

• Missing traffic data imputation and pattern discovery with a Bayesian augmented tensor factorization model
  Transportation Research Part C: Emerging Technologies, 2019, 104: 66-77.
  Xinyu Chen, Zhaocheng He, Yixian Chen, Yuhuan Lu, Jiawei Wang
  [Slides] [Data] [Matlab code] 100+ citations

• A Bayesian tensor decomposition approach for spatiotemporal traffic data imputation
  Transportation Research Part C: Emerging Technologies, 2019, 98: 73-84.
  Xinyu Chen, Zhaocheng He, Lijun Sun
  [Data] [Matlab code] [Python code] 200+ citations

  (ESI highly cited paper 🏆)

2018

• Spatial-temporal traffic speed patterns discovery and incomplete data recovery via SVD-combined tensor decomposition
  Transportation Research Part C: Emerging Technologies, 2018, 86: 59-77.
  Xinyu Chen, Zhaocheng He, Jiawei Wang
  [Data] 100+ citations