activity
20232025
most citedLLM4TS: Aligning Pre-Trained LLMs as Data-Efficient Time-Series Forecasters

111 citations · 114 across the 6 of their papers we have counts for

collaborators

7 papers

cs.LG2025

Perseus: Interactive Time Series Segmentation with Sparse Supervision via Stateful Memory

Ching Chang, Ming-Chih Lo, Chiao-Tung Chan +2

Real-world systems, ranging from industrial manufacturing to wearable healthcare, generate multivariate time series with hierarchical states ranging from coarse regimes to fine-gra…

cs.AI2025

A Survey of Reasoning and Agentic Systems in Time Series with Large Language Models

Ching Chang, Yidan Shi, Defu Cao +8

Time series reasoning treats time as a first-class axis and incorporates intermediate evidence directly into the answer. This survey defines the problem and organizes the literatur…

cs.LG2025★ 1 cited

PromptTSS: A Prompting-Based Approach for Interactive Multi-Granularity Time Series Segmentation

Ching Chang, Ming-Chih Lo, Wen-Chih Peng +1

Multivariate time series data, collected across various fields such as manufacturing and wearable technology, exhibit states at multiple levels of granularity, from coarse-grained…

cs.LG2025

Time-IMM: A Dataset and Benchmark for Irregular Multimodal Multivariate Time Series

Ching Chang, Jeehyun Hwang, Yidan Shi +4

Time series data in real-world applications such as healthcare, climate modeling, and finance are often irregular, multimodal, and messy, with varying sampling rates, asynchronous…

cs.LG2024

Self-Supervised Learning of Disentangled Representations for Multivariate Time-Series

Ching Chang, Chiao-Tung Chan, Wei-Yao Wang +2

Multivariate time-series data in fields like healthcare and industry are informative but challenging due to high dimensionality and lack of labels. Recent self-supervised learning…

cs.LG2023★ 2 cited

TimeDRL: Disentangled Representation Learning for Multivariate Time-Series

Ching Chang, Chiao-Tung Chan, Wei-Yao Wang +2

Multivariate time-series data in numerous real-world applications (e.g., healthcare and industry) are informative but challenging due to the lack of labels and high dimensionality.…

cs.LG2023★ 111 cited

LLM4TS: Aligning Pre-Trained LLMs as Data-Efficient Time-Series Forecasters

Ching Chang, Wei-Yao Wang, Wen-Chih Peng +1

Multivariate time-series forecasting is vital in various domains, e.g., economic planning and weather prediction. Deep train-from-scratch models have exhibited effective performanc…