The mSense Middleware provides a novel and powerful way to access sensor information on smartphones. A Facebook context-publishing demo showcases all the concepts present in the middleware: first, sensor information is collected from various built-in sensors like the accelerometer, magnetometer (compass) or GPS, as well as simulated sensors, user data (calendar, etc.) and input from web services like weather information. The data is then aggregated into sensor channels, which again provide an output that can be interconnected to an internal processing network. The results can then be used for various tasks or outputs, like an intertial navigation unit or to publish the user's context information to social networks like Facebook.

The middleware has been developed by Dominik Gusenbauer and Daniel Rothbauer over the course of the last 1,5 years. It's fully based on Qt for Symbian and uses the Qt Mobile Extensions to make use of the latest advanced features of today's phones. The complete source code is available for free under the GPL / Apache license.

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