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Developer builds local AI document manager with GraphRAG

A developer has created a personal, fully sovereign AI system called Project Citadel to manage local documents. This system utilizes a dual-engine approach combining a graph database (Neo4j) and a vector database (pgvector) with the Gemma 4:31b model. The project emphasizes local data control, avoiding third-party AI services for sensitive personal information. The architecture includes a hybrid compute setup with a powerful CPU and an eGPU for efficient processing. AI

IMPACT Enables local, sovereign AI solutions for personal data management, bypassing large cloud providers.

RANK_REASON This is a personal project description detailing the implementation of an AI system for local document management.

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Developer builds local AI document manager with GraphRAG

COVERAGE [1]

  1. Towards AI TIER_1 English(EN) · Denis Nguyen ·

    Project Citadel: Building a Fully Sovereign Dual-Engine GraphRAG on Consumer Hardware

    <p>How I combined Neo4j, pgvector, and Gemma4:31b to solve the local document management nightmare — and the technical dead-ends I hit along the way.</p><p><strong>Introduction<br /></strong>Over the past few years, I have followed the evolution of Generative AI closely, experime…