基于轨迹方向的轨迹隐私保护算法
邱明,皮德常
Trajectory privacy preserving algorithm based on trajectory direction
QIU Ming,PI De-chang
华东师范大学学报(自然科学版) . 2015, (5): 88 -95 .  DOI: 10.3969/j.issn.1000-5641.2015.05.007