pMATE: A Privacy-Preserving Map Retrieval Task Assignment Scheme in Spatial Crowdsourcing

Algorithm 1

Find R.

	Input: the set of hunting cells , central point .
	Output: R
	← C1.Vertex C2.Vertex Cn. Vertex; // = {C1, C2, …, Cn}
	← –; //initialization in Get TWs algorithm
	R ← ; //i = 1 to n;
	← ;
	Return R;