The Evolution of Retrieval Systems: From BM25 to Agentic Retrieval
Retrieval in modern search and recommendation systems is no longer a single index lookup. I wrote a new breakdown covering seven major waves: Lexical → Behavioral → Learned Sparse → Dense → Hybrid → Multimodal → Generative & Agentic Retrieval It also covers multi-retriever production systems, candi…
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Timeline · 3 reports
- 2026-09-23 04:12 · r/deeplearning
The Evolution of Retrieval Systems: From BM25 to Agentic Retrieval - 2026-09-23 04:11 · r/MLQuestions
The Evolution of Retrieval Systems: From BM25 to Agentic Retrieval - 2026-09-22 07:43 · r/learnmachinelearning
The Evolution of Retrieval Systems: From BM25 to Agentic Retrieval