Opinion community detection and opinion leader detection based on text information and network topology in cloud environment

With the rapid development of web technology, the social networks have become the largest information portals. In the social platforms, the text information can effectively reflect the user opinions or the public opinions for a certain entity, such as company, celebrity service, product and so on. Therefore, mining user opinions from social networks have become an imperative requirement for the service groups. In this paper, an opinion community...