Samuel Fajreldines • 7/21/2025

Creating a Native Knowledge Graph System with MongoDB, S3 and LangChain

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This article details the architecture and implementation of a native knowledge graph system built with MongoDB, Amazon S3, and LangChain. It explains the rationale for a custom solution over external services, focusing on data control, cost, and AI integration for a health and fitness application. The guide covers the system's layers, use of OpenAI embeddings for semantic search, and managing complex health data relationships.

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#mongodb #Langchain #Amazon S3
Creating a Native Knowledge Graph System with MongoDB, S3 and LangChain

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