Research on Semantic Dynamic Service Combination Module

With the more and more amount of Web Services appears, the quality of services becomes lower and lower. There is a question which must be solved urgently, that is how to compose dynamically the Web Services effectively to satisfy people's demand. Based on describing the disadvantages of the traditional semantic Web Services description module, this paper analyzes the concept, basic elements and categories of Web Service combination, constructs a semantic dynamic service combination module, and explains shortly several kinds of Qos demands supporting Web Services.