Data aggregation includes receiving, from an electronic device, a plurality of sensor data packets, wherein the plurality of sensor data packets are received from at least one sensor of the electronic device, and wherein each of the plurality of sensor data packets comprise a tag identifying a classification of the sensor data in the sensor data packet, applying a user-specific policy to the plurality of sensor data packets, aggregating the plurality of sensor data packets based on the user-specific policy to obtain aggregated sensor data, and transmitting the aggregated sensor data to a service broker.