FAISS、Pinecone、Redis 等主流向量数据库系统大体遵循一套通用检索模式 。典型的查询流水线包含三步：生成查询 Embedding、在向量索引上执行最近邻搜索、通过过滤器施加上下文约束。过滤在流水线中的切入位置因实现而异。

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Artificial intelligence (AI) processing rests on the use of vectorised data. In other words, AI turns real-world information into data that can be used to gain insight, searched for and manipulated.