Information search is a very important part of information management. With the development of Internet, the singleness and limitation of traditional information search system block its full use in Internet. Web services technology is a new technology appeared recently. It brings real reusability cross Internet to the development of information search system.This thesis introduces the concept, architecture, elements of Web services technology, based on review and expectation to information search system. Then combines them and builds an information search system based on Web services technology in .NET platform. Experiment validates that it can be reused through Internet standard protocol. Because the system changes the limitation of local computing of traditional network technology, it succeeds in the solution of using Web service in enterprises.
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