| Summary: | Mobile devices have become major sources of context-aware data due to their ubiquity and sensing capabilities. However, deploying mobile devices as dynamic, unabridged context data provider either locally or remotely is challenging, due to their limited computing capabilities. Moreover, mobile sensors are limited to physical context data acquisition and there is a need to integrate physical data provided by these sensors with social context data provided by various mobile applications. Such data integration is necessary in order to have a robust data sources for various context-aware applications. In this paper, we present AndroCon, an Android-based, context-aware middleware framework that enables mobile devices to acquire, integrate, manage context data and to provision the data to applications both locally and remotely. AndroCon enables integration of both raw physical and social related context data. Instances of AndroCon have been achieved by interpreting and storing high-level context knowledge locally and utilizing web service technologies for data provisioning. We perform extensive experiments using AndroCon to collect, provision and manage both social and physical context data from dierent sources. We have also analyzed AndroCon’s performances based on its power consumption and CPU utilization.
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