Alert Based On Search Engine Technology Research And Implementation Of Information - Gathering System

The humanity enters 21st century, the network comprehensively is changing people's thinking mode and the life style, to politics, the military, the economy, the culture as well as the religion has the profound influence。 Along with the network in the our country rapid development, each kind of network criminality multiplies the spread, increasingly fierce。 The network crime direct harm country politics, the economy, the culture and so on each aspect normal order, the network information is safe has become the relational national security and the sovereignty, the social stable important question。 Is obscene using the network widespread dissemination, is reactionary, the wrong doctrines, the violence and so on the harmful information as well as the on-line contact carries on the illegal crime activity is the network crime two big main methods。 How effectively monitors, the discovery, cleans up this kind of harmful information, the manners provides one clean clean network environment, becomes the public security department one important work。Take Google, baidu, the discovery information as representative's search engine by the certain strategy in the Internet, carries on the understanding to the information, withdraws, the organization and processing, and provides the retrieval service for the user。 This article thorough research analyzed search engine correlation technology and so on overhead construction as well as Chinese participle, index, subject search strategy and Web excavation, and in this research foundation, the union public security work reality, the utilization search engine technology, developed the platform by the Java achievement, designed and realizes the police sentiment information collection system。 The article main achievement has following several:1 , The research analyzed Web technical the and so on information inspection technology and search engine, Web excavation relation and the difference, discussed the Web information inspection frame and the correlation evaluation standard.2, In this research foundation, the synthesis utilizes the Web information inspection, search engine, the Web excavation, the Chinese participle index and so on the related technical theory, designed and realizes differently to faces the average consumer Google, the hundred degrees and so on ordinary search engine uses in the public security police sentiment information collection special-purpose Web information collection system, only could adopt the manual browsing for the change majority public security organ to the Web information monitoring the present situation provides one kind of effective choice.3, Designed and realizes according to the page link writing, the page writing information and the subject correlation carries on the synthesis subject search strategy, could have the choice according to the user wish the gathering information, the fast localization information, solved the ordinary search engine information gathering blindness, large scale enhanced the information collection the efficiency and the accuracyThe police sentiment information collection system mainly completes to the...