A Study on Strength of Sina Weibo

With the widespread use of mobile smart device, and its ubiquitous network access capability, microblog have important influence. But to one node in microblog space, how to measure its importance is a key problem. In this paper, we propose a method to evaluate and compute the influence of one node in sina Weibo. An algorithm named MicroV is proposed to quantify the strength of one user in the microblog space. We use the algorithm to evaluate 60 thousand uses in the Sina Weibo. With the developing of microblog, it has become a global social tool. The powerful information dissemination capabilities have triggered the curiosity of many scholars. And as the strong positive effect Twitter played in the U.S. presidential election of Obama administration, its social influence is steadily on the increase. The Sina Weibo have been gained considerable popularity and grown at an unprecedented rate in China. 140 characters or less convey to the people's livelihood concern for human interests, social justice, the problem of corruption, the battle of the value system, to verify the truth and the facts. The identity analysis of microblog as virtual society and its social management applications are imperative. After crawling large amounts of pages, we gathered much basic user information about microblog. Many characteristics of its users and contents as well as that of its opinion propagation were found after the information extraction and statistics. With the increase of its influence about microblog such as sinaweb, many auxiliaries functions related to the one user can be found. For example, a wide variety of advertisements can be seen in sina Weibo space. And many celebrities may use it as a tool to disseminate the information. When we get the information from one user in microblog, we may evaluate the truthfulness according to the influence unconsciously. We seem to deem the words from the bigV, which have numerous fans. And this influence may be very important to person who wants to obtain a benefit. Advertisers, users and the content providers have different objectives. For the benefit from this virtual space influence, there are a lot of fake bigV. The fans can be added by software tools, so the amount of fans increase. And the cost to added fans is very low. The popularity of microblog greatly depends on the quality and integrity of contents and user. Also, cybercriminals have interest on the influence too. The fake influence can bring a disaster in sina Weibo which have more then 500 million users. More then 100 million messages are posted each day on Sina Weibo. Weibo has transformed from edge