[PDF][PDF] Outlier detection for time series with recurrent autoencoder ensembles.

T Kieu, B Yang, C Guo, CS Jensen - IJCAI, 2019 - homes.cs.aau.dk
We propose two solutions to outlier detection in time series based on recurrent autoencoder
ensembles. The solutions exploit autoencoders built using sparsely-connected recurrent …

Outlier detection for multidimensional time series using deep neural networks

T Kieu, B Yang, CS Jensen - 2018 19th IEEE international …, 2018 - ieeexplore.ieee.org
Due to the continued digitization of industrial and societal processes, including the
deployment of networked sensors, we are witnessing a rapid proliferation of time-ordered …

AutoCTS: Automated correlated time series forecasting

X Wu, D Zhang, C Guo, C He, B Yang… - Proceedings of the VLDB …, 2021 - vbn.aau.dk
Correlated time series (CTS) forecasting plays an essential role in many cyber-physical
systems, where multiple sensors emit time series that capture interconnected processes …

Finding top-k shortest paths with diversity

H Liu, C Jin, B Yang, A Zhou - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
The classical K Shortest Paths (KSP) problem, which identifies the k shortest paths in a
directed graph, plays an important role in many application domains, such as providing …

Predicting available parking slots on critical and regular services by exploiting a range of open data

C Badii, P Nesi, I Paoli - IEEE Access, 2018 - ieeexplore.ieee.org
Looking for available parking slots has become a serious issue in contemporary urban
mobility. The selection of suitable car parks could be influenced by multiple factors-eg, the …

Stochastic origin-destination matrix forecasting using dual-stage graph convolutional, recurrent neural networks

J Hu, B Yang, C Guo, CS Jensen… - 2020 IEEE 36th …, 2020 - ieeexplore.ieee.org
Origin-destination (OD) matrices are used widely in transportation and logistics to record the
travel cost (eg, travel speed or greenhouse gas emission) between pairs of OD regions …

Unsupervised Time Series Outlier Detection with Diversity-Driven Convolutional Ensembles--Extended Version

D Campos, T Kieu, C Guo, F Huang, K Zheng… - arXiv preprint arXiv …, 2021 - arxiv.org
With the sweeping digitalization of societal, medical, industrial, and scientific processes,
sensing technologies are being deployed that produce increasing volumes of time series …

Stochastic weight completion for road networks using graph convolutional networks

J Hu, C Guo, B Yang, CS Jensen - 2019 IEEE 35th …, 2019 - ieeexplore.ieee.org
Innovations in transportation, such as mobility-on-demand services and autonomous driving,
call for high-resolution routing that relies on an accurate representation of travel time …

Correlated time series forecasting using multi-task deep neural networks

RG Cirstea, DV Micu, GM Muresan, C Guo… - Proceedings of the 27th …, 2018 - dl.acm.org
Cyber-physical systems often consist of entities that interact with each other over time.
Meanwhile, as part of the continued digitization of industrial processes, various sensor …

Learning to route with sparse trajectory sets

C Guo, B Yang, J Hu, C Jensen - 2018 IEEE 34th International …, 2018 - ieeexplore.ieee.org
Motivated by the increasing availability of vehicle trajectory data, we propose learn-to-route,
a comprehensive trajectory-based routing solution. Specifically, we first construct a graph …