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Tejas P Mehta

Practical AI for Developers, PMs & Founders

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Filtering search results with top-K and a similarity threshold
Posted inAI & LLMs PHP Tutorials RAG Tutorial Series

Episode 5 — Retrieval: Top-K, Thresholds & Filtering

Posted by By Tejas P Mehta July 23, 2026
Our search is fast, but it isn't smart After Episode 4, MySQL ranks our chunks…
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Text turned into points on a map of meaning
Posted inMySQL & Databases PHP Tutorials RAG Tutorial Series

Episode 3 — Embeddings & Your First Similarity Search

Posted by By Tejas P Mehta July 23, 2026
The gap we have to close At the end of Episode 2 we had chunks.json:…
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