Abstract: Embodiments of the present invention provide an open application programming interface selection method and device. The method includes: receiving an invocation request from a user, where the invocation request includes an OpenAPI function parameter; determining an OpenAPI equivalent set according to the OpenAPI function parameter; and selecting a target OpenAPI from multiple OpenAPIs according to a Qos attribute value that corresponds to each OpenAPI in the OpenAPI equivalent set. By adopting the embodiments of the present invention, an OpenAPI with better performance can be selected from numerous OpenAPIs with equivalent functions for a user, thereby improving the quality of service for the user.

Abstract: Embodiments of the present invention provide an open application programming interface selection method and device. The method includes: receiving an invocation request from a user, where the invocation request includes an OpenAPI function parameter; determining an OpenAPI equivalent set according to the OpenAPI function parameter; and selecting a target OpenAPI from multiple OpenAPIs according to a Qos attribute value that corresponds to each OpenAPI in the OpenAPI equivalent set. By adopting the embodiments of the present invention, an OpenAPI with better performance can be selected from numerous OpenAPIs with equivalent functions for a user, thereby improving the quality of service for the user.

Abstract: The invention has disclosed a network system of web services based on semantics and relationship. The Service Network is used in automatic discovery and (semi-)automatic composition. The service to be processed of Service Network derives from registration service and extraction service of network. Submission service extracts information and sends it to Service Network according to service registry query. Extraction service obtains the service description file with crawler and register to Service Network via interface of service registry; and composition service is automatically done according to custom's function description, the complex service is sent to Service Network. The invention is more convenient for announcement of Web services, service discovery and (semi-) automatic composition based on semantics.