1. Andrés, M.E., Bordenabe, N.E., Chatzikokolakis, K., Palamidessi, C.: Geo-indistinguishability: differential privacy for location-based systems. In: 2013 ACM SIGSAC Conference on Computer and Communications Security, CCS’13, Berlin, Germany, November 4–8, 2013, pp. 901–914 (2013)
2. Asghari, M., Shahabi, C.: On on-line task assignment in spatial crowdsourcing. In: 2017 IEEE International Conference on Big Data, BigData 2017, Boston, MA, USA, December 11–14, 2017, pp. 395–404 (2017)
3. Chen, L., Shahabi, C.: Spatial crowdsourcing: challenges and opportunities. IEEE Data Eng. Bull. 39(4), 14–25 (2016)
4. Chen, Z., Fu, R., Zhao, Z., Liu, Z., Xia, L., Chen, L., Cheng, P., Cao, C.C., Tong, Y., Zhang, C.J.: gmission: A general spatial crowdsourcing platform. Proc. VLDB Endow. 7(13), 1629–1632 (2014)
5. Chen, C., Cheng, S., Lau, H.C., Misra, A.: Towards city-scale mobile crowdsourcing: task recommendations under trajectory uncertainties. In: Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, IJCAI 2015, Buenos Aires, Argentina, July 25–31, 2015, pp. 1113–1119 (2015)