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AI Engineer May 29, 2026

Why your agents need decision traces, not just documents — Zach Blumenfeld, Neo4j

Summary

Zach from Neo4j discusses context graphs, a knowledge layer graph database designed to enhance AI systems' accuracy and decision-making capabilities. The presentation explores how context graphs go beyond traditional knowledge bases by providing not just information retrieval, but also decision traces, reasoning context, and dynamic information about why decisions are made. Using a financial analyst agent example, Zach illustrates how context graphs can help AI systems provide more nuanced and explainable responses by incorporating past precedents, causal chains, and contextual information. The practical takeaway is that context graphs can significantly improve AI agents' ability to make more informed, contextually aware decisions across various domains.

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