Traditional RAG is like buying a DIY furniture kit, while PIKE-RAG is like hiring an interior designer.PIKE-RAG consists of several key components: file parsing, knowledge extraction, knowledge storage, knowledge retrieval, knowledge organization, task decomposition and coordination, and knowledge-centric reasoning.PIKE-RAG is a well-researched and detailed open-source project.File parsing in PIKE-RAG involves layout analysis, preservation of multimodal elements, and the use of vision-language models.