问题：
[单选题]数据挖掘是一项以( )为基础的数据分析技术,其主要功能是在大量数据中自动发现潜在有用的知识,这些知识可以被表示为概念、规则、规律、模式等。
A、数据库
B、数据仓库
C、人工智能
D、知识库
参考答案：
B
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