Koopman neural operator forecaster for time-series with temporal distributional shifts

R Wang, Y Dong, SO Arik, R Yu - The Eleventh International …, 2023 - openreview.net
Temporal distributional shifts, with underlying dynamics changing over time, frequently occur
in real-world time series and pose a fundamental challenge for deep neural networks …

Learning from Polar Representation: An Extreme-Adaptive Model for Long-Term Time Series Forecasting

Y Li, J Xu, D Anastasiu - Proceedings of the AAAI Conference on …, 2024 - ojs.aaai.org
In the hydrology field, time series forecasting is crucial for efficient water resource
management, improving flood and drought control and increasing the safety and quality of …

Universal time-series representation learning: A survey

P Trirat, Y Shin, J Kang, Y Nam, J Na, M Bae… - arXiv preprint arXiv …, 2024 - arxiv.org
Time-series data exists in every corner of real-world systems and services, ranging from
satellites in the sky to wearable devices on human bodies. Learning representations by …

Koopman neural forecaster for time series with temporal distribution shifts

R Wang, Y Dong, SÖ Arik, R Yu - arXiv preprint arXiv:2210.03675, 2022 - arxiv.org
Temporal distributional shifts, with underlying dynamics changing over time, frequently occur
in real-world time series and pose a fundamental challenge for deep neural networks …

Sample and predict your latent: modality-free sequential disentanglement via contrastive estimation

I Naiman, N Berman, O Azencot - … Conference on Machine …, 2023 - proceedings.mlr.press
Unsupervised disentanglement is a long-standing challenge in representation learning.
Recently, self-supervised techniques achieved impressive results in the sequential setting …

Sequential multi-dimensional self-supervised learning for clinical time series

A Raghu, P Chandak, R Alam… - … on Machine Learning, 2023 - proceedings.mlr.press
Self-supervised learning (SSL) for clinical time series data has received significant attention
in recent literature, since these data are highly rich and provide important information about …

On Hierarchical Disentanglement of Interactive Behaviors for Multimodal Spatiotemporal Data with Incompleteness

J Chen, A Zhang - Proceedings of the 29th ACM SIGKDD Conference on …, 2023 - dl.acm.org
Multimodal spatiotemporal data (MST) consists of multiple simultaneous spatiotemporal
modalities that interact with each other in a dynamic manner. Due to the complexity of MST …

Weakly Augmented Variational Autoencoder in Time Series Anomaly Detection

Z Wu, L Cao, Q Zhang, J Zhou, H Chen - arXiv preprint arXiv:2401.03341, 2024 - arxiv.org
Due to their unsupervised training and uncertainty estimation, deep Variational
Autoencoders (VAEs) have become powerful tools for reconstruction-based Time Series …

A Global View-Guided Autoregressive Residual Network for Irregular Time Series Classification

J Zhu, H Tang, L Zhang, B Jin, Y Xu, X Wei - Pacific-Asia Conference on …, 2023 - Springer
Irregularly sampled multivariate time series classification tasks become prevalent due to
widespread application of sensors. However, different collection frequencies or sensor …

Sequential Disentanglement by Extracting Static Information From A Single Sequence Element

N Berman, I Naiman, I Arbiv, G Fadlon… - arXiv preprint arXiv …, 2024 - arxiv.org
One of the fundamental representation learning tasks is unsupervised sequential
disentanglement, where latent codes of inputs are decomposed to a single static factor and …