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Opinion

Recall ranking demystified: similarity, importance, and recency in one formula

How Agent Brain ranks candidate memories by blending vector similarity, salience, and how recently a memory was touched.

By Agent Software

Recall ranking demystified: similarity, importance, and recency in one formula

Scheduled article

This post is scheduled to publish in full on October 21, 2026. The final URL is already live so social previews, search crawlers, and future readers all resolve to the same article.

A memory system that only ranks by similarity keeps surfacing stale, low-value matches — Brain blends in importance and recency too.

  • Final publish date: October 21, 2026
  • Primary categories: Opinion
  • Tags: #suite #agent-brain #architecture

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