Open-source reference architecture for automating supplier-invoice savings analysis across fragmented-supplier verticals (dental, vet, HVAC, restaurant, auto). 3-stage matcher + UOM normalizer + per-supplier adapters.
python open-source procurement dental gpo streamlit llm retrieval-augmented-generation supplier-management invoice-matching vertical-saas sku-normalization
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Updated
Jun 19, 2026 - Python