| A Policy-Based Approach for Managing Ubiquitous Networks in Urban Spaces Recent countries visiting this post |  |
 | 7 | United States |
 | 3 | |
 | 1 | Russian Federation |
 | 1 | Sweden |
| A Policy-Based Approach for Managing Ubiquitous Networks in Urban Spaces Recent countries visiting this post | |
| 7 | United States |
| 3 | |
| 1 | Russian Federation |
| 1 | Sweden |