1. A method comprising: receiving, by a sensor data broker, first sensor data provided by a first sensor and second sensor data provided by at least a second sensor; generating, by the sensor data broker, published sensor data by aggregating the first sensor data and the second sensor data; publishing, by the sensor data broker, the published sensor data to at least one virtual sensor; and monitoring, by the sensor data broker, a utilization of the published sensor data by the at least one virtual sensor of sensor, wherein the at least one virtual sensor publishes to at least one application the published sensor data as virtual sensor data.