Hail the Closest Driver on Roads: Privacy-Preserving Ride Matching in Online Ride Hailing Services

Algorithm 1

Best driver selection (BDS).

	Input: .
	Output: .
(1)	for do
(2)	for do
(3)	if then
(4)	;
(5)	else
(6)	;
(7)	end if
(8)	if or do
(9)	;
(10)	end if
(11)	end for
(12)	if or do
(13)	;
(14)	;
(15)	end if
(16)	end for
(17)	return;