基于时间模体与增量图匹配的支付欺诈检测方法
本发明属于支付欺诈检测方法,具体是指基于时间模体与增量图匹配的支付欺诈检测方法,包括S1、接收事件流并增量更新图存储;S2、在检测库与候选监测库的时间模体上,于受影响局部邻域执行同构匹配并校验时间偏序与最大跨度等条件,输出正匹配实例;S3、在滑动窗口内计算候选模体的加权支持度并据稳定性门限实施模式升降级;S4、对匹配实例经依赖剔除获得最小子图,组合最小可提交集并触发法域映射与计时控制、报送与续报调度,实现低时延在线判定与稳定吞吐,便于分布式扩展。
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