One More Accuracy k-Anonymity Framework for LBS

Table 2

Variables.

Symbol	Explanation
	The center of the cloaked area in the k-anonymity algorithm
	The starting query position of the user
	User i
	The temporal tolerance
	The spatial tolerance
	Time spent on
	The maximum length of the real route from node A to B
	The route from to
	The route from to
	The whole route from to
	The guidance information corresponding to route
	The guidance information corresponding to route
	The guidance information corresponding to route
	The query result sets from LBS corresponding to the query
	The query request from the user
	The query request message of and equal to
	The return result sets from AS for and equal to
	The speed on the road
	The road denoted by the start node and the end node
	Route i
	The query collection of k users
	The return result sets corresponding to