Research And Implementation Of Public Opinion Analysis System Based On Search Engines

With the development of Internet technology, the Internet has become an indispensablepart of people’s lives. People enjoy the convenience of the Internet, on the other hand,the network has become an information receiver platform and Information releaseplatform Recent years, with the web2.0era, ordinary people become the creators ofweb content. The openness of the network, each Internet users can express their viewsand emotions on social issues. This is actively promoted the progress of society.But, atthe same time, the network itself has its own characteristics, for example, speakeridentity conceals, and lack of rules limits and effective oversight. Those are a hiddendanger to the healthy development of the Internet.China is in the period of Social Transformation, and, social contradictions becomeincreasingly prominent.Individual criminals spreading false information through thenetwork, to incite public sentiment, which seriously affected the social stability and unitHowever, there is not effective measures to monitor the network in china,then, policecan not completely defeat cybercrime in the current.In recent years, many companiesare experiencing varying degrees of network public relations crisis. Keep abreast of thedissemination of information on the Internet has become the primary task of corporatecommunications.Therefore, the all sectors of society need to use public opinion analysissystem. Because public opinion system can effective tracking and monitoring of publicopinion on Internet, then timely analysis of public opinion, to grasp the correct directionof public opinion. So as to build a harmonious society escort.Thus, public opinionanalysis system plays an important role in building a harmonious society.This thesis focuses on the characteristics of public opinion, then, made a new attempt onthe collection of public opinion information.Meta-search technology improve the scopeof the collection of public opinion information.The main work is as follows:1) Use Meta search technology for information collection. It significantly expands thescope and purpose of information collection.2) The thesis describes in detail the public opinion in the information collectionmodule and the information pre-processing module 3) The thesis depth analysis of the meta-search to the sort involved in the synthesisand the results of de-emphasis.4) In this thesis, tracking and analyzi5) ng public opinion by Meta-search collected data.