@leonardo1903
Leonardo Fernandes
@leonardo1903
Web & app dev enthusiast exploring blockchain and agentic AI. Building, breaking, learning—one project at a time.
Joined July 2023
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Leonardo Fernandes's blogs
Recently published
A Guide to Query Translation in RAG Systems: Key Methods and Examples
Jun 7, 2025 · 19 min read · Here's a scenario that should feel familiar. Your RAG system retrieves beautifully on test queries. You've tuned chunk sizes, experimented with embedding models, added a reranker. The eval numbers loo
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How Retrieval-Augmented Generation Boosts AI Results: An In-Depth Look
Jun 6, 2025 · 19 min read · You built a RAG chatbot. You chunked your documents, embedded them, shoved them into a vector store, and wired it to an LLM. It works — mostly. But it hallucinates on questions it should know, misses
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