Web services discovery represents a prominent step in the development process of B2B applications. In such environment, the number of Web services as well as registries that are made available for use can be as many as the large number of companies. Thus, the Web services discovery process will be time consuming. To deal with this issue, one obvious solution is to group Web service registries into communities. However, this solution can raise a managing issue since registries and communities are dynamic by nature. Our major contribution in this paper is an approach for managing registries and communities to reconcile conflicts result of the dynamic change aspect of Web service registries