AINewsnow

The data engineering reality of GNNs in production

Your offline GNN looks perfect. The AUC is high. The precision is great. You ship it to production to catch fraud or optimize a supply chain. Then the metrics tank. The model isn't broken. The data is just too old. It is making real-time decisions using neighborhoods and embeddings from yesterday,…

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  1. 2026-10-08 20:32 · DEV Community — Machine Learning
    The data engineering reality of GNNs in production

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