Design And Implementation On Public Opinion Analysis System Of Jingdong Mall

With the rapid development of Internet information technology, the use of the Internet to express their views, publish opinions, venting, spread ideas has become a kind of new form of public opinion and information presentation. For Internet public opinion, the Chinese word segmentation technology, web crawler technology, TFIDF weight calculation method, K means clustering algorithm to carry out public opinion information on the topic identification, collection, tracking and monitoring analysis. The famous electronic business platform Taobao, through the construction of positive public opinion, public opinion, negative public opinion, a single failure of public opinion, brand public opinion forecast and analysis system, for the public opinion analysis of other electricity supplier platform has played a good reference.Therefore, how to collect, analyze, monitor and control the public opinion information in time and accurately, it is a problem to be solved urgently in the process of carrying out electricity business service in Jingdong mall.Around the current domestic and international public opinion monitoring and analysis of the research and application of the status quo, the problem of public opinion analysis process, leads to the research significance of the paper. According to the actual needs of public opinion analysis, the paper puts forward the solution of public opinion information collection system, data pre processing system, public opinion analysis and forecast system and public opinion application management system. According to the management requirement of the public opinion information analysis, the main business process of public opinion analysis is analyzed, and the main function of the system is described. According to the software engineering design pattern, a set of system architecture of organic public opinion analysis system is designed, and the main function modules such as data collection, pretreatment, task management, public opinion data analysis and so on. The deployment scheme of the system network topology is introduced, and the realization of the core function module of the public opinion analysis system is discussed in detail. On this basis, the function and performance of the system are tested and verified by the design of test case.In this paper, the design and development of public opinion analysis system, realized the Jingdong mall customer product reviews, ratings, mall BBS speech angles such as public opinion topic detection and tracking, and hot topics, identification of a sensitive topic.Through public opinion collection configuration, URL filtering, URL links such as weight, Jingdong mall platform not only realized with intuitive to collect the newest trend of all kinds of public opinion, and based on the original data denoising, text extraction processing, can effectively find hot and sensitive topic, public opinion supervision for Jingdong mall staff provides timely, accurate information network public opinion decision support.