·2,447,543篇论文数据，部分数据来源于NoteExpress
通过调查发现欠费的主要原因是患者经济困难；其次是患者恶意欠费和医院管理不善所致。
There were three parts of reasons of patient arrear as well as low income, malicious arrear and hospitalill management.
论文的重点就在于根据对历史上恶意欠费欺诈客户通话行为分析建立一个客户恶意欠费欺诈行为预测模型。
From the point of this article, we established a model of the prediction of the behavior to customer cheats according to cheat-customer's the history communication behavior in customer analysis.
目前，电信运营企业通过分析欠费详单，查证恶意欠费人员的真实身份，追缴欠费以成为其正常经营活动的重要组成部分。
Currently, telecom operators of communications through a single detail, to verify the true identity of delinquent officers of its normal business activities to become an important part.
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