Federated querying architecture for clinical & translational health IT

Authors:
Oren E. Livne;N Dustin Schultz;Scott P. Narus
Affiliations:
University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA
Venue:
Proceedings of the 1st ACM International Health Informatics Symposium
Year:
2010

Citing 7
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Abstract

We present software architecture to federate data from multiple heterogeneous health informatics data sources owned by multiple organizations. The architecture builds upon state-of-the-art open-source Java and XML frameworks in innovative ways. It consists of (a) federated query engine, which manages federated queries and result set aggregation; and (b) data source facades, which translate the physical data models into a common model on-the-fly. System modules are connected via reusable Apache Camel integration routes and deployed to an OSGi enterprise service bus. A demonstration of the system using mock implementations is presented; we are currently working on integrating live data sources. Our system can be extended and integrated with existing SOA Healthcare and HL7 frameworks such as i2b2 and caGrid.