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Health services require appropriate information to provide proper care. At the same time, health information is sensitive, and thus its dissemination must be controlled. Health environments are becoming increasingly data driven, and thus are well supported by an event-based infrastructure. We outline our work in building data control mechanisms into publish/subscribe middleware, to give those responsible for health data fine-grained control over the circumstances for its transmission.doi:10.1145/1462735.1462757 dblp:conf/middleware/SinghB08 fatcat:tutwxcukjzba5prx4h4nujiwb4