Research Article
An Adaptive Window Size Selection Method for Differentially Private Data Publishing over Infinite Trajectory Stream
INPUT: | Desired Privacy Leakage , | Timestamp , | Road , | Traffic Volume at timestamp for all road | Window size , | Maximum Window Size | OUTPUT: | Noisy Traffic Volume of or | Let be the latest timestamp that releases noisy traffic volume | Let be latest released noisy traffic volume | (3) Set and | (4) Set | (5) Set FindDecayingFactor() | (6) Set | (7) Set to_nullify = | (8) if to_nulify then | (9) Return Enforce to skip publication | (10) else | (11) Set to_absorb = to_nullify) | (12) Set to_absorb, ) | (13) and | (14) if then | (15) Return | (16) else | (17) Return |
|