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rag-systems

5 articles

TitleDate
HNSW Vector Search Recall Failures in ProductionMay 28, 2026
Closing the Loop: How to Actually Measure RAG Quality in ProductionFeb 26, 2026
Closing the Loop: How to Actually Measure RAG Quality in ProductionFeb 26, 2026
Building Hybrid Search That Actually Works: BM25 + Dense Retrieval + Cross-EncodersJan 17, 2026
BM25 for Developers: What Actually Matters in ProductionJan 17, 2026

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Ranjan Kumar

I educate and empower AI builders to design, build, and deploy systems that actually work. I focus on practical engineering, production-ready architectures, and real-world AI execution.

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