task_categories:question-answering task_categories:time-series-forecasting language:en license:mit size_categories:100K<n<1M format:parquet modality:document modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2601.23204 region:us Time Series Time Series QA Time Series Analysis Time Series Reasoning Time Series Question Answering Unified Time Series QA TSQA