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How to extract meaning from charts and tables in PDFs

· 16 min read
Augustas Skaburskas
Senior Full Stack Engineer
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How to extract meaning from charts and tables in PDFs

PDFs full of charts and tables are notoriously hard to put through a traditional RAG pipeline. In this post, we show how late-interaction multi-vector retrieval lets you search PDFs by what the page looks like: no OCR, no chunking, no text extraction.

· 15 min read

An Overview of Late Interaction Retrieval Models: ColBERT, ColPali, and ColQwen

· 21 min read
Leonie Monigatti
Machine Learning Engineer
Danny Williams
Machine Learning Engineer
Victoria Slocum
Machine Learning Engineer
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An Overview of Late Interaction Retrieval Models: ColBERT, ColPali, and ColQwen

Late interaction allow for semantically rich interactions that enable a precise retrieval process across different modalities of unstructured data, including text and images.

· 21 min read