NActivitySensor (ActivitySensor for .NET) with functionality derived from ActivitySensor and SmartSensor Eclipse plugins. For more information, see the following papers or books: 1) http://madeyski.e-informatyka.pl/download/Madeyski13ENASE.pdf  2) http://www.springer.com/978-3-642-04287-4  3) http://madeyski.e-informatyka.pl/download/Madeyski10c.pdf (or http://dx.doi.org/10.1016/j.infsof.2009.08.007)  4) http://madeyski.e-informatyka.pl/download/Madeyski07d.pdf (or http://dx.doi.org/10.1007/978-3-540-75381-0_18)