Artemis: Deploying semantically enriched Web services in the healthcare domain
- ISSN: 03064379
- DOI: 10.1016/j.is.2005.02.006
Abstract
An essential element in defining the semantics of Web services is the domain knowledge. Medical informatics is one of the few domains to have considerable domain knowledge exposed through standards. These standards offer significant value in terms of expressing the semantics of Web services in the healthcare domain. In this paper, we describe the architecture of the Artemis project, which exploits ontologies based on the domain knowledge exposed by the healthcare information standards through standard bodies like HL7, CEN TC251, ISO TC215 and GEHR. We use these standards for two purposes: first to describe the Web service functionality semantics, that is, the meaning associated with what a Web service does and secondly to describe the meaning associated with the messages or documents exchanged through Web services. Artemis Web service architecture uses ontologies to describe semantics but it does not propose globally agreed ontologies; rather healthcare institutes reconcile their semantic differences through a mediator component. The mediator component uses ontologies based on prominent healthcare standards as references to facilitate semantic mediation among involved institutes. Mediators have a P2P communication architecture to provide scalability and to facilitate the discovery of other mediators.
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