Why Your RAG System Doesn’t Know What’s in Your PDFs (And How to Fix It) A three-step pipeline using pdfplumber, regex, and fuzzy matching converts unstructured invoices into structured data for RAG systems. The approach addresses common failures in extracting information from PDFs. A three-step pipeline — pdfplumber, regex, and fuzzy matching — that turns unstructured invoices into data your model can actually use. Continue reading on Towards AI »