Oren E. Livne
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.
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Index Terms
- Federated querying architecture for clinical & translational health IT
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