UGC(User Generated Content)是公众对现实社会中的各种现象、问题所表达出的一种态度和意见,意见领袖对UGC的走向起到推动作用。为了发现UGC中的意见领袖,从影响力、支持力等方面刻画意见领袖,构造话题参与者的属性矩阵,通过加权平均得到各用户的综合评价,最后找到话题的意见领袖。通过实际的例子解释了算法的基本步骤和计算方法。该方法对意见领袖的发现和判定舆论的走向具有一定的理论指导意义和实际价值。
UGC is the public's attitude and opinion about kinds of phenomena or problems in the real world,opinion leaders play a role in influencing the direction of UGC.In order to discover leaders from UGC,this paper describes opinion leader from the aspects of influence,support etc,and constructs attribute matrix of topic participants,then computes the comprehensive evaluation by weighted mean,and finally,the opinion leader is identified,and an instance is presented to demonstrate the use of the method with steps and calculation included.The method proposed has a certain theoretical influence and practical value towards opinion leader discovery and the direction judgment of UGC.