中文摘要：

首先对新浪微博加V用户样本数据进行整体统计分析，然后应用两步聚类分析法，选用微博粉丝数、互粉数、关注数和每天微博数等四个指标变量进行聚类分析。研究表明新浪微博加V用户有三类用户群体：大众型、社交型和最具价值型用户群体。最具价值型用户群体是最能帮助企业进行微博营销的核心群体。

英文摘要：

The paper firstly analyzes the overall statistical characteristics of the sample dataset . Then, according to the spread size, activity and usage frequency, we choose the follower number, followered number, mutual followed number and post frequency as the input index to subdivide the verified users. Results show that the verified users can be categorized to three types of the common group, the social group and the most valuable user group. As for Micro-blogging marketing, the most valuable user group can be of the most helpful.