Chris Nielson ยท writingChris Nielson is a software engineer in Brooklyn, NY building AI products: production agents, knowledge systems, and local inference.https://cjnl.devGraphRAG as Scoped Context for Production Agentshttps://cjnl.dev/writing/knowledge-graphs-vs-raghttps://cjnl.dev/writing/knowledge-graphs-vs-ragHow knowledge graphs can reconstruct small, permission-aware context packets for agents, reduce context rot, and preserve relationships, provenance, and time.Sat, 13 Jun 2026 00:00:00 GMTGraphRAGAI AgentsKnowledge GraphsContext EngineeringAgent MemorySemantic Models for Databaseshttps://cjnl.dev/writing/semantic-models-for-databaseshttps://cjnl.dev/writing/semantic-models-for-databasesWhy semantic models are becoming the missing layer between raw database schemas, business meaning, analytics, and AI systems.Thu, 23 Apr 2026 00:00:00 GMTDataDatabasesSemantic ModelsAIRiskProduction AI Agents in Enterprise Systemshttps://cjnl.dev/writing/production-ai-agents-in-enterprise-systemshttps://cjnl.dev/writing/production-ai-agents-in-enterprise-systemsA practical architecture for building AI agents that can work with tools, data, permissions, and human review in production environments.Thu, 09 Apr 2026 00:00:00 GMTAI AgentsSoftware EngineeringEnterpriseArchitectureRisk