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Semantic Based Web Service Classification

Pourazarang, Leily | 2012

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 42840 (52)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Sadighi Moshkenani, Mohsen
  7. Abstract:
  8. Web services are some kind of software applications which are available on the Web. Growing the popularity of Web services, led to increasing number of providers and as a result a great deal of Web services. This huge number of services made the searching and discovery tasks hard and effort-full jobs. In order to have a better discovery it is better to first classify Web services into some categories and then search in the relevant class. Although this classification can be done based on matching key words through the service registration information, such syntax-level service facilities can’t achieve the satisfaction results both in the precision and the recall sides. Human experience shows that adding semantics can improve classification which lead to better discovery and selection. In this thesis we proposed a semantic method for classifying Web services with respect to depositories' classes. With our method, at the one hand, providers would be able to represent their services in many depositories just by registering them once. On the other hand, consumers can also get the results for their query from many registries without needing to check them directly. Thus it enhances the performance of service discovery and registration. As our classifier is knowledge based, it inherits all the advantages of knowledge based systems, such as easy maintenance. Our semantic classifier is now compatible with four important depositories and new depositories or classes can simply be added to it due to its easy maintenance. Moreover, as current service classification takes place in each depository separately, existing a global system will lead to some kind of consistency between unconnected independent depositories
  9. Keywords:
  10. Semantic Web Service ; Sorting ; Reasoning ; Semantic Classification

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