Search Engines is a system for collecting information resources on the Internet, and then for your query system, including information collection, information finishing, and user query. Search engine is a website that provides information "search" service, which uses some programs to classify all information on the Internet to help people search for the information they need in the vast network. The early search engine is collected by the address of the resource server in the Internet, and is divided into different directories different from the type of resource provided, and then classify again. People want to find their own information can be entered according to their classification, and they can finally reach the destination and find the information they want. This is actually the most original way, only when the Internet information is not available. As the Internet information is growing according to the geometric growth, these search engines know the beginning of each page on the website, then search all the hyperspacked on the Internet, put all the words representing the hyperlink into a database . This is the prototype of search engine now. With the emergence of Yahoo!, the development of search engines has also entered the gold era, and it is more superior to previously its performance. The current search engine is not just a simple search page information, they have become more integrated, perfect. Taking Search Engine Authoritative Yahoo! as an example, from March 1995, Yahoo! was founded by American Chinese Yang Zhiyuan and others, and now, they have developed from a single search engine to now have e-commerce, news information, personal free A variety of network services such as electronic mailbox services fully illustrate the development of search engines from a single to comprehensive process. However, due to the search engine's work mode and the rapid development of the Internet, the results of their search are getting more and more dissatisfied. For example, there may be millions of pages of the result of "Computer" vocabulary. This is because the search engine optimizes the search results through the relevance of the website. This correlation is determined by the keyword in the location of the website, the name of the website, the label and other formulas. This is why the search engine search results is made. The database in the search engine is bound to the development of the internet of the Internet. How to make the search engine accurately provide people with relevant information should be the direction of its future development, not only comprehensive services.
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