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 异常活动 的识别，可以有效地提高 交易安全 和 购物体验。此研究 将 集中 在以下几个方面： 设计 基于 大数据的 消费者画像 模型�

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