Our paper on “Steered Crowdsensing” presented at UbiComp 2014 is now “Open Access” on ACM Digital Library.

Ryoma Kawajiri, Masamichi Shimosaka, Hisashi Kashima.
Steered Crowdsensing: Incentive Design towards Quality-Oriented Place-Centric Crowdsensing.
In Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2014), pp. 691–701, 2014.

Project Page: steered-crowdsensing