This document discusses an interoperability platform to support research groups. The platform aims to enable interoperability between electronic health records (EHRs) using web services and a modular architecture. It has three levels of users - registered users, collaborators, and public users. The platform implements semantic interoperability using standards like ISO 21090 and allows anonymized data sharing between different EHR systems for research purposes. Future work will focus on areas like improved data visualization, accessibility, and data mining capabilities.