A Trajectory Privacy Protect Method Based on Location Pair Reorganization

Algorithm 3

Construct candidate location set

Input: Semantic trajectory ; semantic trajectory equivalence class ; location

   pair similarity threshold

Output: Candidate location set

1.

2.fordo

3.

4.fordo

5.      fordo

6.         if <> and <>

         meets the candidate of

         Definition8then

7.           

8.           exit

9.

10. return