Application Research Of Network Public Opinion Monitoring Based On Text Tendency Correlation Analysis

Due to the rapid development of information,most of the sources of information have been turned to the network.Today,the Internet media has become the most widely used platform for the broad masses of the people and also has become one of the main carriers to reflect public opinion.The establishment of a perfect network public opinion analysis system plays an important role in maintaining social stability and promoting the development of enterprises.This paper aims at the actual application needs,mainly analyzes the application of web crawler technology in webpage collection,chinese word segmentation index technology,web page de duplication technology,webpage denoising and text orientation analysis technology and database technology.The feasibility analysis is carried out from the aspects of technology feasibility,economic feasibility and legal feasibility.From the three main levels of the system,the demand analysis of the system function is carried out,and the performance requirement analysis is made from the speed,expansibility and security of the system.The algorithm and core code of information collection,information preprocessing and information analysis module are designed,and the database table used in database is designed in detail.The design and implementation of the user login interface,user retrieval system interface,network hot spot detection subsystem,network public opinion comprehensive analysis subsystem.The results show that the system is friendly and practical,and can detect network public opinion information.The design meets the requirements and needs,and improves the accuracy of online public opinion text collection and the accuracy of sentiment analysis.