Tag: tech/bm25

All the articles with the tag "tech/bm25".

• The Refusal Gate: Teaching a Bot to Say I Don't Know

  10 May, 2026

  How a single score threshold became the difference between a bot that hallucinates and a bot you can trust — and why the architectural decision to refuse synthesis is the same shape as a circuit breaker, a feature flag, and a dead-letter queue.