Privacy-Preserving Query Scheme (PPQS) for Location-Based Services in Outsourced Cloud

Algorithm 6

Result filtration.

Input: ,
Output:
(1)	Initialize to an empty list;
(2)	for each in do
(3)	if then
(4)	;
(5)	end if
(6)	end for
(7)	the TRC sends to the user ;