| Development and popularization of the Internet technology providing the convenient environment for public opinion spread and evolution, but also impacting on the social industry. The paper based on the theory of social network analysis, establishing the evolution and transmission structure of tags’public opinion. And studying from Weibo industry classification tag and hot topic tag in two dimensions. For Weibo industry classification tag dimensions, select 10 numerous fans and microblogging user from each industry classification tag on Weibo, a total of 240 Weibo users as samples. Extracted concern relations between users and subnet of industry classification tag, as the research foundation data. Converting Users concerned network into tags attention network and tags symmetrical network. To analyzing the influence and interactions in the tag’s network. For microblogging hot topic tag dimensions, get the hot topic from the Weibo monthly ranking, which rank on top 10 in a month,310 hot topics in total. Using content analysis to analyze the topic content, and statistics the distribution by topic tag. And set 48 topics element, build and analyze the 2-mode network about topic-topic element, to get the hot topic common element and element group. Finally, combinning the results of the industry classification tag and hot topic tag, to get the state of the public opinions’spread and evolution. Through research and analysis show:research about industry category labels, density analysis show that the density of entertainment stars, health care, legal rights, IT on the Internet, the real estate industry is higher,The analysis of influence show business celebrity, entertainment stars, famous writers to other industry category labels influence is big, interactive analysis show business celebrities, entertainment stars, the legal rights of interaction is active, and some interacting groups,such as [business celebrity, entertainment stars, famous writers], [business celebrity, famous writers, IT Internet], [business celebrity, finance and investment, IT Internet], [business celebrity, investment, finance, legal rights], [tourism travel, photography photo, wedding services], [entertainment star, famous writer and media]. Research on hot topic labels, it is concluded that [home, entertainment, celebrity, emotional/love/marriage/private life], [unconventional natural phenomenon/natural disasters], [international, sports], [science and technology, enterprise, business/professional related], [the government, public service/social construction]. |
