Technology Research, Based On The Semantic Web Service Discovery

With the rapid progress of electronic commerce technology,the construction method of electronic commerce based on specific system and platform cannot catch up with the development of new commerce requirement.The appearance of web service technology brings a great hope to the integration of commerce application on different structure systems.Web service technology bases on XML standards.It solves the problem of format unmatchable and transportation incompatible between all kinds of application programme.And a series of standards for web service such as SOAP, WSDL and UDDI becomes more and more mature.This maks the web service based solution becoming a kind of competitive solution.Web services discovery technology is a important part of web service system architeture.UDDI is one of solutions among the web service discovery technologies.At present,all standards of web service are short of supporting to the semantic method.Most existent web service discovery technologies are based on key words matching or framework and cannot provide efficient supporting to semantic method.Ontology is a rising branch of artificial intelligence.lt can provide powerful supporting to semantic web and web service.With the great growth of research in ontology technology in recent years,there appears many ontology modeling languages and modeling methods.The coding environment of ontology becomes more and more mature.According to the facts described above,this paper import many methods associate with ontology to modify and extend web service protocol layers.These methods adopt a subclass of a kind of ontology modeling language OWL named OWL Lite to complete the modification and extention.I developed two modified standards O-WSDL and O-UDDI to provide the semantic supporting of web service discovery technology in the paper.Based on the work above,the paper gives a complete discovery architecturewhich after the web service protocol layers were modified and extend.After this,there is a detailed describe on some parts of the complete architecture.The paper also reforms the web service discovery flow after modification and extention.The paper points out the solution's advantage compared with the other web service discovery technologies.The following part gives implementation method of Transform and Illation Engine,which plays a important part in the whole solution.An evaluation to the whole solution was given after above part.In the end,I summarize my work in the whole paper and point out the problem and localization of the solution in the paper.I also point out the direction of subsequent research and some methods to solve the problem mentioned above.