微博媒体的信息传播分析

发布时间：2018-01-23 00:04

本文关键词： 新浪微博爬虫信息传播树事件分析舆情分析　出处：《哈尔滨工业大学》2012年硕士论文　论文类型：学位论文

【摘要】：微博，也可称为微博客（Micro,Blog），是一种新型媒体平台。用户可以在这个新型媒体平台上产生信息、传播信息以及获取信息。微博媒体的内在结构是一个以用户为节点，用户之间的关系为边的一个社会网络。当新的信息产生之后，其余用户的转发就会造成信息在该社会网络上的流动，也可以称为信息在该社会网络上传播。对微博媒体中的信息传播的研究包括展现完整的传播路径，传播范围和速度分析，关键节点分析等。这些研究也可以指导实际应用，，例如：微博营销、谣言控制、广告投放、舆情分析等。所以对于微博社会媒体中信息传播进行研究具有重大意义。本文的主要任务是站在舆情分析的角度对新浪微博媒体中的信息传播进行分析，同时给出了一个新浪微博舆情分析系统。本文的研究包括：数据获取、信息传播分析、微博舆情分析。本文工作如下：首先是新浪微博数据获取。在该部分，主要简单介绍新浪微博数据结构以及目前比较流行的获取新浪微博数据的两种方法：利用新浪开放平台提供的API和利用新浪微博网页爬虫。并分析两种方法各自优势。其次是新浪微博信息传播分析。在该部分，主要重点介绍信息传播树的概念，以及在新浪微博媒体中信息传播树的生成算法。并以信息传播树为基础，介绍结构分析、内容分析、人群分析的概念。最后是信息传播在舆情分析中的应用，主要包括两个部分：新浪微博数据爬虫和新浪微博信息传播分析与事件统计分析。在数据爬虫部分将会介绍利用新浪微博开放平台提供的API设计的全网爬虫。在新浪微博信息传播分析与事件统计部分将会把对信息传播树的各项分析结果可视化给用户。
[Abstract]:Weibo, also known as Weibo, is a new media platform on which users can generate information. The internal structure of Weibo media is a social network with the user as the node and the relationship between the users as the edge. When the new information is generated. The transmission of other users will result in the flow of information on the social network, which can also be called the dissemination of information on the social network. The research on the information dissemination in Weibo media includes showing the complete communication path. These studies can also guide practical applications, such as Weibo marketing, rumor control, and advertising. Therefore, it is of great significance to study the information dissemination in Weibo social media. The main task of this paper is to analyze the information transmission in Sina Weibo media from the perspective of public opinion analysis. At the same time, it gives a public opinion analysis system of Sina Weibo. The research of this paper includes: data acquisition. Analysis of information dissemination and analysis of Weibo public opinion. The work of this paper is as follows: First is Sina Weibo data acquisition. In this part. This paper briefly introduces the data structure of Sina Weibo and two popular methods of getting data from Weibo:. Use Sina open platform to provide API and use Sina Weibo web crawler. Analyze the respective advantages of the two methods. The second is the analysis of information dissemination of Sina Weibo. In this part, it mainly introduces the concept of information dissemination tree, and the algorithm of generating information dissemination tree in Weibo media. And it is based on the information dissemination tree. This paper introduces the concept of structure analysis, content analysis and crowd analysis. Finally, the application of information dissemination in the analysis of public opinion. There are two main parts:. Sina Weibo data crawler and Sina Weibo information dissemination analysis and statistical analysis of events. In the data crawler section will introduce the use of Sina Weibo open platform to provide API design web crawlers. Broadcast analysis and event statistics will visualize the analysis results of the information dissemination tree to the user.
【学位授予单位】：哈尔滨工业大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP393.092

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