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پشتیبانی از تراکنش ها در سرویس های وب مرکب
کافی موسوی، حسن Kafi Moosavi, Hassan
- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 41394 (19)
- University: Sharif University of Technology
- Department: Computer Engineering
- Advisor(s): Habibi, Jafar
- Abstract:
- internet can be seen as a revolution in human lives whose influences are obvious to everyone and nowadays it’s impossible to consider a world without it. most of people’s means of internet is the world wide web and this shows the importance of web. Web services as a modular and independent applications which can do most of our works through the web, improves its importance. This applications can be located, distributed and called through the web, most of organization’s activity which we can’t imagine internet without it. Semantic web can be considered as a new web architecture which integrates web content with semantics which can be understood by computers. the main motivation for semantic web was to automates web information process and to improve collaboration and interaction between information systems. with development of web services, they became more complicated and it was needed to compose several web service to do a certain operation and after that the concept of composition of web services was born and gradually composed web services was born. Development of web services causes organization do their works and services using web services and gradually the number of such organizations has increased. The decision was to do it through transaction. But supporting transaction in distributed systems has its own problems. These types of transactions have long running time and use various resources in different places. Supporting these transactions classically cause to very low performance because in classical transactions it was very important to maintain ACID properties completely. Because of these reasons and many other ones, the need for a model that support transactions in composition of web services improved. These needs result in performing many researches in this aspect and many models were offered. In this research we want to offer a model to support transactions in composition of web services and we will show its results using simulation
- Keywords:
- Semantic Web Service ; Web Services ; Composite Webservice ; Service Composition ; Support Transacations
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