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Posts Tagged "LangChain"

Article

How and Why I Built My Own RAG Stack

How I built retrieval I control over my own site: hybrid vector + BM25 search fused by rank, an LLM-as-judge reranker, and a cache that still streams.

Article

Building an AI Assistant as an Apollo Federation Subgraph

Instead of bolting an AI chat widget onto the side of an app, make it a proper Apollo Federation subgraph — sharing auth context, schema types, and a single API URL with the rest of your services.