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Managing Healthcare Information: The Role of the Broker
David Budgen, Mark Turner, Ioannis Kotsiopoulos, Fujun Zhu, Michelle Russell, Michael Rigby, Keith Bennett, Pearl Brereton, John Keane, Paul Layzell
3 - 16
Studies in Health Technology and Informatics
Volume 112: From Grid to Healthgrid
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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