Abstract

Healthcare social networking is an emerging web 2.0 application that promise to bring about a whole revolution in the way that health care is delivered. In healthcare social networks, health information requires extra protection as its disclosure can have serious repercussions in the content owner's private and professional life. We have developed a prototype of healthcare social network system (called Husky eHealth 2.0) with a trust-aware tag-based privacy control scheme. The scheme protects private information from unauthorized access using both tagging and trust ratings information. A preliminary evaluation of the prototype system is also given. The results have shown that Husky eHealth 2.0 provides an effective privacy control to healthcare social network users.

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