The Research And Application Of Vertical Search Engine In The Field Of Group-purchasing Web

Along with the rapid development of Internet technology,the network information is indicating a trend of explosive growth, the mainstream general search engines, like Google, Baidu are facing enormous challenges when faced the customized needs of searchers, the general search engines haven’t totaly meet the characteristic demand of uses. Under this special circumstance, the vertical search engine acted as a brand-new type of search services is around the corner.Today’s shopping areas are playing an more and more important role in the entire Internet environment, and also attract a large number of network users to participate. Although the vertical search engine has penetrated into all walks of life, but the search engine for electronic products is so rare. Even if these mainstream shopping websites, such as taobao.conu lashou.com,which only provided their own products,to some degree,this will reduce the experience of the customers.Because the customers are not able to put the products from different websites together and then compare them.In this paper,through the market investigation,we found that electronic products have already become the essential goods which current fashion people bring with, but there is not a special search engine for electronic products, this paper seizes this opportunity and designed a electronic product-oriented theme search engine.On the basis of analying and interpreting of the vertical search engine structure, working principle and application technology,this paper constructs a computer-oriented purchasing system which can run on Tomcat server, the system contains all of the core modules which the current of mainstream vertical search engine has, including the Spider,the Extractor,the Indexer,the Searcher and the Cacher.In order to solve the single disadvantages of the current mainstream shopping websites are faced,the system put all the merchants from all these of the websites together and so as to provide the overall service to the customers.Through this system,the customers are able to search the same kind product from different website and the pick up their own pleased product after comparing these products from every aspect,such as price and quality. In a word,the electronical product-oriented system is sure to be a brand-new searching service in the field of group-shopping.