{"type": "article", "title": "Characterizing Narrative Content in Web-scale LLM Pretraining Data", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/characterizing-narrative-content-in-web-scale-llm-pretraining-data", "original_source": "https://arxiv.org/abs/2606.19468", "published": "2026-06-19T04:00:00+00:00", "accessed": "2026-06-19", "id": "characterizing-narrative-content-in-web-scale-llm-pretraining-data"}