待验证50% 置信事实时间未知
Vector similarity search uses cosine similarity or Euclidean distance to find chunks whose vectors are closest to the user's query vector.
1
来源数
50%
置信度
中期 (~90 天)
时效性
2026/7/2
首次发现
有效期至:2026/9/30
来源
相关事实
待验证Vector search uses ANN (Approximate Nearest Neighbor) algorithms to quickly find similar vectors77% 相似待验证Vector retrieval excels at capturing semantic similarity (e.g., 'automobile' and 'car'), while BM25 excels at exact keyword matching (e.g., product model numbers, proper nouns)65% 相似待验证向量相似度通常使用余弦相似度或内积来衡量,并配合FAISS或Milvus等向量数据库实现毫秒级近似最近邻搜索64% 相似已验证混合检索(Hybrid Search)将向量检索与BM25关键词检索的结果通过RRF(倒数排名融合)等算法合并,兼顾语义理解与精确匹配59% 相似
引用此条事实
Stable URI
https://kongchang.com/claim/57360API
curl https://kongchang.com/api/v1/knowledge/claims/57360MCP
get_claim(id=57360)