Unverified50% confidenceBenchmarkExact time
余弦相似度是语义缓存最常用的距离度量，通常将0.92以上视为缓存命中的保守阈值
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
Related Claims
UnverifiedSetting the threshold for semantic caching involves a trade-off: a threshold that is too high results in a low hit rate, while one that is too low may incorrectly map semantically different questions and cause response quality issues.60% similarUnverified确定性防护栏通过正则表达式等规则匹配处理格式固定的敏感信息，延迟通常在毫秒级，但处理不了自然语言层面的隐晦风险59% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/533527API
curl https://kongchang.com/api/v1/knowledge/claims/533527MCP
get_claim(id=533527)