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Managing healthcare information: the role of the broker
David Budgen1, Mark Turner, Ioannis Kotsiopoulos
1School of Computing & Mathematics, Keele University, Staffordshire ST5 5BG. d.budgen@cs.keele.ac.uk
Abstract:
We describe a prototype information broker that has been developed to address typical healthcare information needs, using web services to obtain data from autonomous, heterogeneous sources. Some key features are reviewed: how data sources are turned into data services; how we enforce a distributed access control policy; and how semantic interoperability is achieved between the broker and its data services. Finally, we discuss the role that such a broker might have in a Grid context, as well as the limitations this reveals in current Grid provision.
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