1. A method comprising: at a computing apparatus, estimating geographic locations as a function of time for each of a plurality of sensor nodes; estimating a quality of information as a function of time for sensed data to be sensed by the plurality of sensor nodes at the estimated geographic locations; sending the estimated quality of information as a function of time to one or more applications or consumers of the sensed data; and at least one of: reserving one or more of the plurality of sensor nodes at one or more specified geographic locations; or reserving one or more of the plurality of sensor nodes at one or more specified times or time intervals.