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1 articles
01
2026-09-04
·
Training & Alignment
·
★ MEMBER
·
PAPER
·
13 min read
Paper Walkthrough: It Takes Two to Match — Co-Evolving Both Sides of Retrieval with RL
A paper that rebuilds the first stage of search by having two LLMs write keywords — one for queries, one for items — and training them in alternation until their vocabularies meet. Explained from scratch.