Research Article
An Adaptive Window Size Selection Method for Differentially Private Data Publishing over Infinite Trajectory Stream
INPUT: | Transition Matrices , | Timestamp , | Entropy Threshold | Maximum Window Size | 1: For each road do | 2: Clear PATH_QUEUE and PROB_QUEUE | 3: PATH_QUEUE.ENQ() and PROB_QUEUE.ENQ | 4: For to do | 5: Set = 0 | 6: PATH_QUEUE.DEQ() | 7: For each road incident with do | 8: Set [ PROB_QUEUE.DEQ() | 9: Set += p | 10: if then go_to line 12. | 11: PATH_QUEUE.ENQ() | 12: PROB_QUEUE.ENQ() | 13: Set | 14: Return |
|