Table 1 The trajectory sequences of the user u
From: Location recommendation privacy protection method based on location sensitivity division
Sequence | Track path |
|---|---|
T1 | l1-l2-l3 |
T2 | l1-l2 |
T3 | l3-l2-l1 |
T4 | l1-l2-l3 |
T5 | l3-l1-l4 |
T6 | l3-l2 |
T7 | l3-l1-l4 |
T8 | l3-l1-l4-l5 |
T8 | l1-l2 |
T10 | l3-l2-l1 |