计算机科学 ›› 2016, Vol. 43 ›› Issue (Z11): 585-590.doi: 10.11896/j.issn.1002-137X.2016.11A.133
张正卿,朱奕健,白瑞瑞,黄一清,严建峰
ZHANG Zheng-qing, ZHU Yi-jian, BAI Rui-rui, HUANG Yi-qing and YAN Jian-feng
摘要： 用户流失问题是电信运营商面临的亟待解决的问题,针对不同的场景,业界研究开发了多个用户离网预测系统。服务号码捆绑指用户在使用运营商服务期间,与银行、电商、便利店等第三方服务提供商通过绑定手机号产生联系。通过研究发现用户在服务存续期间普遍会绑定多种第三方服务提供商,这些商家会不定时给用户推送短信,当用户即将流失时,多数用户会逐渐取消这类服务的绑定。因此,服务号码捆绑特征对于离网用户的甄别起到了重要的作用。采用随机森林算法构建离网预测模型,利用逻辑回归算法对服务号码捆绑特征进行降维,并加入模型,进行离网用户分析,从而辅助决策者制订相应的客户维挽策略,降低客户离网率。实验结果表明,服务号码软捆绑特征能够提高系统的分析预测能力。
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