{"type": "article", "title": "MetaPersona: Task-Grounded Synthetic Populations from Empirical Social Science", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/metapersona-task-grounded-synthetic-populations-from-empirical-social-science", "original_source": "https://arxiv.org/abs/2609.38392", "published": "2026-10-01T04:00:00+00:00", "accessed": "2026-10-01", "id": "metapersona-task-grounded-synthetic-populations-from-empirical-social-science"}