This is the official dataset repository of the ACL 2026 Findings paper: "LLaTiSA: Towards Difficulty-Stratified Time Series Reasoning from Visual Perception to Semantics".
A comprehensive multimodal time series understanding and reasoning dataset with multiple complexity levels.
This dataset contains time series data paired with visual representations and natural language instructions for time series analysis tasks. The dataset is organized… See the full description on the dataset page:
https://huggingface.co/datasets/November-Rain/HiTSR.
