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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.

read1 min views35 publishedJun 15, 2026

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 »

source & further reading
pub.towardsai.net — original article From Chains to Graphs: An Intro to LangGraph AI Sandbox Networking Compared: Tensorlake vs E2B vs Daytona vs Fly.io The Durable Asset is the Control Plane, not the Frontier Model
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