task_categories:text-retrieval task_categories:text-generation language:en license:cc-by-4.0 size_categories:10M<n<100M format:csv modality:tabular modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2601.17617 arxiv:2505.19253 region:us information-retrieval agentic-search search-logs query-rewriting query-log search-behavior llm-agents deep-research