随着电子商务的快速发展， 交易平台 上用户的数量不断增长，随之带来 了 交易风险 等问题。故此| 通过对 消费者行为 的分析和 异常交易行为 的识别，可以有效地提高 电商安全 和 消费体验。本研究 将 重点 在以下几个方面： 建立 基于 数据挖掘的 买家画像 �

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