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Yunzhong Qiu

3 accepted papers

2026

Adapt Data to Model: Adaptive Transformation Optimization for Domain-shared Time Series Foundation Models

ICLR 2026poster

Large time series models (LTMs) have recently demonstrated powerful capabilities for universal forecasting. However, these models still struggle to address the variety and nonstationarity of time series, resulting in an unsatisfying balance between forecasting performance and generalizability. Inste…

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2024

TimeSiam: A Pre-Training Framework for Siamese Time-Series Modeling

ICML 2024poster

Time series pre-training has recently garnered wide attention for its potential to reduce labeling expenses and benefit various downstream tasks. Prior methods are mainly based on pre-training techniques well-acknowledged in vision or language, such as masked modeling and contrastive learning. Howev…

2024

TimeXer: Empowering Transformers for Time Series Forecasting with Exogenous Variables

NeurIPS 2024poster

Deep models have demonstrated remarkable performance in time series forecasting. However, due to the partially-observed nature of real-world applications, solely focusing on the target of interest, so-called endogenous variables, is usually insufficient to guarantee accurate forecasting. Notably, a…