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Li2b2-Façade: Simulation of i2b2 Data Warehouse Server and Client for Interaction with Other Systems
Raphael W Majeed1, Tingyan Xu1, Mark R Stöhr2
1Department of Medical Informatics, Carl von Ossietzky University, Oldenburg, Germany.
Studies in Health Technology and Informatics
|January 4, 2018
Summary
The i2b2 data warehouse is useful for researchers, but its API is difficult to integrate with other software. We created a lightweight i2b2 façade (li2b2-façade) to simplify this process.
Area of Science:
- Clinical Informatics
- Health Data Warehousing
- Software Engineering for Healthcare
Background:
- The i2b2 (Informatics for Integrating Biology and the Bedside) data warehouse is widely used by clinical researchers since 2004.
- Its user-friendly interface allows intuitive querying by physicians.
- However, the i2b2 API, despite being labeled "REST", deviates from standard RESTful principles, complicating external software integration.
Purpose of the Study:
- To address the challenges of integrating external software with the i2b2 data warehouse.
- To develop a simplified interface for interacting with the i2b2 API.
Main Methods:
- Development of a lightweight software abstraction layer, termed "lightweight i2b2 façade" (li2b2-façade).
- The façade acts as an intermediary, simplifying communication with the i2b2's custom RPC-style XML-API.
Main Results:
- The li2b2-façade provides a more streamlined approach to interfacing with the i2b2 data warehouse.
- It overcomes the cumbersome nature of direct interaction with the non-standard i2b2 API.
Conclusions:
- The li2b2-façade significantly improves the ease of integrating other software with the i2b2 data warehouse.
- This facilitates broader utilization of i2b2 data for clinical research by simplifying data access and interoperability.
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