Ankita Datir, Prof Amit Sahu
Web service composition is a web technology which is use for combining the information from multiple sources into single application. With the help of this web service we can collected the large amount of data. Web Service is a technique provides a special type of composition application that aims at integrating data from multiple data provider depending on user request. DaaS depend on the specified useful data can be supplied according to the user demand. The main use of DaaS is eliminating redundancy and reduces associated expenditures. It modifies the data via single update point for multiple users. This paper proposes a formal privacy model in order to extend DaaS description with privacy capabilities. DaaS composition approach allowing verifying the compatibilities between privacy requirements and policies in DaaS composition.
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