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Sensor-based applications mostly need data from sensors of different types (temperature, pressure, location, camera, etc.) that may be managed by different software, e.g., proprietary software from manufacturers. This demonstration presents SStreaMWare, a service-oriented middleware for heterogeneous sensor data management. SStreaMWarepsilas simple data schema allows data representation of various types of sensors in a common generic way. The service-oriented approach of SStreaMWare hides the heterogeneity of sensor software by adopting generic query services that can be discovered and used dynamically.