Table 1 Anonymous trajectory data.
From: A location semantic privacy protection model based on spatial influence
User | \(P_1\) | \(P_2\) | \(P_3\) |
|---|---|---|---|
\(U_r\) | (1,2) | (3,3) | (2,7) |
\(U_{d1}\) | (2,1) | (4,4) | (1,6) |
\(U_{d2}\) | (1,3) | (2,5) | (4,7) |
From: A location semantic privacy protection model based on spatial influence
User | \(P_1\) | \(P_2\) | \(P_3\) |
|---|---|---|---|
\(U_r\) | (1,2) | (3,3) | (2,7) |
\(U_{d1}\) | (2,1) | (4,4) | (1,6) |
\(U_{d2}\) | (1,3) | (2,5) | (4,7) |
