Articles on AI engineering, RAG systems, LLMs, and full-stack development by Md. Shahriar Hassan.https://mdhassan.com/en-ushttps://mdhassan.com/blog/2026/04/09/rag-powered-search-engine-1-million-news-articles/https://mdhassan.com/blog/2026/04/09/rag-powered-search-engine-1-million-news-articles/A full engineering breakdown of the retrieval system I shipped for one of Bangladesh's most recognized news publishers — hybrid retrieval, adaptive scoring, recency decay, and neural reranking.Thu, 09 Apr 2026 00:00:00 GMTRAGAI EngineeringLLMVector SearchPythonhttps://mdhassan.com/blog/2025/03/20/knowledge-graphs-meet-llms/https://mdhassan.com/blog/2025/03/20/knowledge-graphs-meet-llms/Combining structured knowledge graphs with LLMs for more accurate, explainable AI systems. Practical patterns using Apache Jena and SPARQL.Thu, 20 Mar 2025 00:00:00 GMTKnowledge GraphsLLMAI EngineeringApache JenaSPARQL