Build PDF Search RAG System: Mistral OCR + Weaviate DB

This n8n workflow creates a complete Retrieval-Augmented Generation (RAG) system for PDF documents. It starts by processing uploaded PDFs with Mistral AI's OCR to accurately extract text, even from scanned or image-based files. The extracted text is then automatically chunked into optimal sizes for vectorization, preserving context for better retrieval. Embeddings are generated using Cohere's multilingual models and stored in a Weaviate vector database under a 'KnowledgeDocuments' collection. T