EnterpriseTowards Data Scienceabout 3 hours ago
Tables in PDFs for RAG: Don't Flatten the Grid
1 min read
Flattening PDF tables to text destroys row-column relationships, causing RAG models to hallucinate numbers. The solution restores tables to structured form at four levels: row-as-line, separate table_df, columnar extraction, and heterogeneous columnar. A diagnostic records five properties per table to pick the right level.
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