导　　师： 廖开际

学科专业： 071101

授予学位： 硕士

作　　者： ;

机构地区： 华南理工大学

摘　　要： 随着互联网应用的发展和移动终端服务的普及,加之社会化网络服务应用的出现,产生了微博这一新型的移动服务模式。微博是一个基于用户关系的信息分享、传播以及获取平台,用户可以通过WEB、WAP以及各种客户端组建个人社区,并实现信息即时分享。微博用户既是信息和知识的生产者也是消费者,通过移动平台和互联网的无缝连接,以及社会化网络服务应用,微博极大的改变了网络信息的传播方式。研究微博网络的信息传播有助于了解其传播规律和特征,研究结果对有效利用和控制微博信息传播提供更高效的移动信息服务提供了解决途径,从而为舆情监控、突发事件信息传播等提供理论依据,同时研究也拓展了移动信息管理的应用领域。 微博中用户之间信息传播主要依靠于用户之间“关注-被关注”行为和“转发-对话”行为,用户间“关注-被关注”构成了了一种社会关系。根据复杂网络相关理论,本文将用户为节点,用户之间关注行为为边,构建用户关注网络。以新浪微博为例,通过对真实数据的挖掘,提取用户的数据信息,并对关注关系网络的拓扑结构进行分析,发现同时具有无标度和小世界现象。微博中用户相互间转发行为构成了信息的传播,由于信息传播是基于关注网络的,同时微博传播与传统的网络传播不同,在前人研究的基础上根据微博的特点构建了微博网络用户信息传播模型。根据用户发布微博的目的不同将微博信息分成四类,对不同分类信息分别进行了相关实证研究,结果表明不同信息在微博中传播的路径特征不同,并分析其相关特性的形成机制。 本文对微博网络的结构特点、信息传播模型、微博信息分类及不同信息传播动力机制进行深入分析,以真实事件信息传播为例,研究方法具有创新性,研究结果对移动互联网信息传播、舆情监控、意见领袖识别等具有十分重要的借鉴意义。 With the internet applications popularization and mobile termination development, combined with the advent of social networking service, the new mobile service mode such as micro blog are appeared. Micro blog is a platform for people sharing information, spreading and getting information, which is based on users'relationship. The users can form a personal community through the clients such as WEB, WAP and various, achieve instant information sharing. The users are both producers and consumers of information and knowledge. Through seamless connection between mobile platforms and the Internet, as well as the application of social networking service, micro blog has greatly changed the web information diffused way. The researches on information dissemination of micro blog will be helpful to expand the application field of mobile information management. We can use and control the way of information transmitting effectively, so as to provide more efficient mobile information services. The paper take Sina micro-blog for example and studies micro-blog based on complex network theory. We extract the users'information and build user relationship network depend on the data mining of the real. Micro-log network can be divided as "concerns-to be concerned" network and "forwarding-dialogue" network depend on users'concerning behavior and information dissemination mode."Concerns-to be concerned" network is a kind of social networking and "forwarding-dialogue" network becomes information dissemination network. Topological structure of social networking can be analyzed by means of complex network theory. Information dissemination network is based on social networking, so it is included in social networking. The research take the real event's spread in micro-blog as example, reveal the path of information dissemination in micro-blog and clarify formation mechanism of micro-blog's correlation properties through the real data mining. In addition, it analyzes influential node of the internet and discusses the source of influence factors for the case of information dissemination. This paper thoroughly analyzes the structural features, dissemination of information and dynamical mechanism of the micro-blog network. It exemplify by information dissemination of real events. Research methods are innovative, and this research result has a very important reference meaning for the mobile internet information dissemination and public opinion monitoring.

关 键 词： 复杂网络 微博客 移动服务模式 社会化网络服务 网络信息传播

分 类 号： [G206]

领　　域： [文化科学]