Verifiable Location-Encrypted Spatial Aggregation Computing for Mobile Crowd Sensing

Table 2

Comparison of overhead and functionality.

	Total runtime of server (s)			Data privacy (s)	Verifiable (s)	Efficiency optimization
	Xu et al.	3.2	8.2				15
Kong et al.	0.35	0.82	2.62
Ours	0.42	0.76	1.32