Use pdfplumber or unstructured.io to extract bounding boxes . RBS-R cares about Y-coordinates. If two text blocks have the same Y-axis, they are the same line. If the Y-axis delta is large, it’s a new paragraph.

If you are building a RAG pipeline over financial reports, academic papers, or legal documents, implement RBS-R on Day 1. It requires 50 lines of code and increases your answer_ relevancy score by 15–20% without a single fine-tuning step.

How to combine RBS-R with Latex OCR for mathematical PDFs. Have you tried recursive splitting? Share your chunking horror stories in the comments.

return chunks The magic of RBS-R for PDFs isn't just the splitting; it's the inheritance .