1. Vtrack:accurate, energy-aware road traffic delay estimation using mobile phones;Thiagarajan,2009
2. Nericell:rich monitoring of road and traffic conditions using mobile smartphones;Mohan,2008
3. Common sense: participatory urban sensing using a network of handheld air quality monitors;Dutta,2009
4. Creek watch:pairing usefulness and usability for successful citizen science;Kim,2011
5. Quality-aware incentive mechanism for mobile crowd sensing;Jiang;J. Sens.,2017