用于通信运营商过网话务的行为分析，通过用户呼转行为的对象、时间、地点及相互的关联关系，判断用户离网的预警数据，支撑用户挽留行为。- For the behavior analysis of network traffic operator, through the object, time, place and mutual relationship of the user call forwarding behavior, judge the early warning data of the