{"type": "article", "title": "Preprocessing Different File Types", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/preprocessing-different-file-types", "original_source": "https://haystack.deepset.ai/tutorials/30_file_type_preprocessing_index_pipeline/", "published": "2026-06-17T00:00:00+00:00", "accessed": "2026-06-25", "id": "preprocessing-different-file-types"}