Vertical Search Engine Technology In Network Control In The Patrol Public Opinion Research And Application

With the popularity of the Internet and development of the explosive growth in the amount of information online. User activity reached unprecedented levels of speech, whether domestic or international events, can be formed quickly online public opinion, through the network to express views, disseminate ideas. How to correctly grasp the network of public opinion dynamics, in order to provide an accurate basis for scientific decision-making is the core task of the Internet public opinion. In such a wealth of web resources, how to effectively search public opinion, the information is a difficult task. Specialized search engine development is the best way to solve this problem.Vertical search engine side is directed towards a specific area, a specific group of people or a particular value needs to have some information and related services, the search feature is designed, refined, deep, search results will not be loitering with the information. General web search a comprehensive search, horizontal search for the main features of a large amount of information in meeting the search at the same time is difficult both search accuracy and relevance of quality, it is difficult to meet the pursuit of accurate, personalized, professional search needs. Overall, against a vertical search engine is a professional search engine of search engines subdivided and extension.This paper describes a vertical search engine, the system structure and function of the characteristics of the vertical search engine technology and the building control system for the public opinion, the patrol were demonstrated and improved, designed for vertical search engine web crawler, Heritrix and Lucene In-depth analysis of based on the realization of a high-performance, high-load, reasonable and effective, standardized and practical usefulness of the network that has a better system of public opinion to achieve the rapid monitoring of public opinion on the network. The system is able to quickly monitor the network information on public opinion, public opinion on the network to organize data and information collation, storage, processing, indexing, public opinion, the management staff to facilitate the completion of daily work; the same time, the system also supports friendly and intuitive user interface, simple operation and user-friendly. The public opinion of the overall system development design goal is to vertical search engine technology into the public opinion, the system design, the realization of the network management, systematic public opinion, standardization and automation to improve the overall management of public opinion, the level of the network.