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cs.LG2026
Decoupling Perception from Description: Computation-Grounded Representation Alignment between Multivariate Time Series and Language
Xinran Feng, Yi Xie, Chao Zhang +4
Training multimodal models to align time series with language runs into a self-supervision trap. The usual recipe asks an LLM to read a series and write a description, so label qua…
cs.LG2025
The language of time: a language model perspective on time-series foundation models
Yi Xie, Yun Xiong, Zejian Shi +2
With the rise of large language models, the paradigm of training foundation models with massive parameter counts on vast datasets has been adopted in multiple domains to achieve re…
cs.LG2024
An Efficient and Generalizable Symbolic Regression Method for Time Series Analysis
Yi Xie, Tianyu Qiu, Yun Xiong +3
Time series analysis and prediction methods currently excel in quantitative analysis, offering accurate future predictions and diverse statistical indicators, but generally falling…