Zhao Fazhen
The article used link analysis method to study the influnce of the 30 network community in China.The author used Yahoo!and Bing search engine to obtain the total number,the total number of links,number of external links and PR value of 30 pages of the online community site,calculated the Web Impact Factor,and used gray relational analysis method to sort the previously mentioned link indicator data.The results showed that:The influence of 30 online communities could be ranked as follows:51.com,Tencent meager,Tencent blog,Tencent Forum,and Netease microblogging,Netease blog,Sina blog,watercress network,etc.Finally,by comparing Yahoo!and Bing search engine for link data to verify the two major search engines for Web link analysis is feasible,but the Yahoo!search engine statistical data analysis could be more accurate.