most citedFinMultiTime: A Four-Modal Bilingual Dataset for Financial Time-Series Analysis

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cs.LG2026

REATS: LLM Reasoning-based Ensemble Learning for Adaptive Time Series Forecasting

Xu Zhang, Chang Xu, Hui Sun +5

Due to the diversity of real-world time series, no single forecasting model consistently dominates across all samples. Ensemble learning addresses this by combining complementary m…

cs.LG2026

OATS: Online Data Augmentation for Time Series Foundation Models

Junwei Deng, Chang Xu, Jiaqi W. Ma +5

Time Series Foundation Models (TSFMs) are a powerful paradigm for time series analysis and are often enhanced by synthetic data augmentation to improve the training data quality. E…

cs.LG2026

Diff-MN: Diffusion Parameterized MoE-NCDE for Continuous Time Series Generation with Irregular Observations

Xu Zhang, Junwei Deng, Chang Xu +2

Time series generation (TSG) is widely used across domains, yet most existing methods assume regular sampling and fixed output resolutions. These assumptions are often violated in…

cs.LG2025

EventTSF: Event-Aware Non-Stationary Time Series Forecasting

Yunfeng Ge, Ming Jin, Yiji Zhao +4

Time series forecasting is vital in diverse sectors such as energy and transportation, where non-stationary dynamics are deeply intertwined with external events in other modalities…

cs.LG2025

MIRA: Medical Time Series Foundation Model for Real-World Health Data

Hao Li, Bowen Deng, Chang Xu +8

A unified foundation model for medical time series -- pretrained on open access and ethics board-approved medical corpora -- offers the potential to reduce annotation burdens, mini…

cs.LG2025

BRIDGE: Bootstrapping Text to Control Time-Series Generation via Multi-Agent Iterative Optimization and Diffusion Modeling

Hao Li, Yu-Hao Huang, Chang Xu +5

Time-series Generation (TSG) is a prominent research area with broad applications in simulations, data augmentation, and counterfactual analysis. While existing methods have shown…