Unverified50% confidenceFactExact time
Elastic's RRF fusion has a default smoothing constant k of 60.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/19/2026
First Seen
Valid until: 1/17/2027
Sources
Building a Precise AI Agent Knowledge Base: Hybrid Retrieval and Reranking in Practice
bilibili双语对照翻译10/19/2026
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