Lax (as opposed to strict), an OS- and library-level approach to trade the power dissipated by sensors in exchange for reduced accuracy and reliability, was the first technique in the line of work that eventually led to the Warp platform.
Phillip Stanley-Marbell and Martin Rinard, Wax'15, Co-located with ACM PLDI'15, 2015.
Phillip Stanley-Marbell and Martin Rinard, HOTOS'15: Proceedings of the 15th USENIX conference on Hot Topics in Operating Systems, May 2015.