Study on the Network of Information Dissemination between Network Media——A Case Study of Food Safety Micro-blog Public Opinion
Information on the platform of microblog disseminates primarily through social ties.Based on the relations among micro-blog media,such as forwarding,information dissemination network forms,whose structure determines the effectiveness of information dissemination.Using social network analysis,the paper explores the structure of whole network and sub-network and the factors that influence media' s location and the capability of disseminating information.The study indicates that (1) the network of information dissemination between network media is sparse and scale-free.The stability of the network is affected by a small number of media,such as paper media microblog,TV media microblog;(2)the phenomenon of subgroup is exhibited in the network,and distribution of media within the subgroup is regional;(3) media' s capability of disseminating information is closely related to its professionalism,authority and participation.
information disseminationmedia micro-blogsocial network analysismicro-blog public opinion