Chunzhong Xia

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A hierarchical distributed EHR (Electronic Health Record) integration model HDEHR is proposed to solve the problems in tradition centralized EHR integration model. The architecture of HDEHR and the ways how it synchronizes, retrieves and accesses EHR data is introduced. The system resource allocation problem in HDEHR is given and the problem formulation is(More)
Existing ESB is congested when different types of business flows compete for limited resources. To solve this problem, a real-time ESB model is proposed. The JBI specification was modified, business priority and time restriction semantic were added, together with flow control and bandwidth allocation modules. This system can dynamically allocate the system(More)
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