Distributed web service discovery method and system based on p2p
A discovery method and service discovery technology, which are applied in the field of P2P-based distributed Web service discovery methods and systems, can solve problems such as flooding of service query requests and excessive query load, achieve excellent service discovery performance, and avoid overloading. Uniform and efficient effect
Inactive Publication Date: 2015-10-07
SOUTHEAST UNIV
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Due to the flooding of service query requests, the unstructured P2P method is not suitable for direct application in large-scale open service networks.
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[0021] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.
[0022] The P2P-based distributed Web service discovery method adopts the B / S (Browser / Server) architecture, in which the browser client is embodied as a Web page, and its main function is to collect current user requests and send them to the server background. The server side is developed by Java language, which is mainly represented as a servlet program, and the servlet is used as a service registration module and a service query module. When a user needs to query a service, he submits a service ...
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The invention relates to the field of service computing, and provides a peer-to-peer (P2P)-based distributed Web service discovery method and a system of the P2P-based distributed Web service discovery method, wherein the distributed Web service discovery method and the system of the P2P-based distributed Web service discovery method aim at the current situation that service matching mechanisms which are based on keywords and adopted by most of existing Web service discovery technologies fail to satisfy people in service discovery performance and service discovery performance effect. According to the method, an ontology modeling tool is firstly used for constructing a domain ontology, ontology web language for services (OWL-S) description framework is adopted to provide semantic description for a Web service, the service is enabled to include much semantic information, then constructing service discovery structures of a double-layer distributed autonomous domain according to area classification, classification is provided for the service based on ontology information shared by the domain within the filed, and the distributed P2P technology is used for constructing a service discovery framework. The invention further provides a Web service discovery algorithm based on semantic of a Chord, and the service ontology information is used for carrying out login and search on the Web service. The P2P-based distributed Web service discovery method and the system of the P2P-based distributed Web service discovery method are based on a framework of the P2P, the conventional Chord algorithm is improved to carry out the Web service discovery, query rate and precision ratio of the service discovery are improved, and service discovery performance is achieved.
Description
technical field [0001] The invention relates to the field of service computing, in particular to a P2P-based distributed Web service discovery method and system thereof. Background technique [0002] Web service discovery technology is an important part of the Web service system architecture. Its goal is to quickly and accurately find the services required by users from the Internet, so as to realize the integration and flexible business processes of heterogeneous systems in enterprises and industries. Most of the existing Web service discovery technologies currently use keyword-based service matching mechanisms, which lack semantic descriptions of service functions, making it impossible for machines to understand and process them, resulting in low query accuracy, and therefore cannot effectively reason about knowledge. , affecting the availability of the service system. In order to solve the above problems, researchers applied semantic technology to the field of Web servic...
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IPC IPC(8): H04L29/08H04L29/06
Inventor 曹玖新刘波王晖媛秦屹董羿陈高君
Owner SOUTHEAST UNIV