| 1 | -- | 4 | Robert H. Deng, Jari Veijalainen, Shiguo Lian, Dimitris Kanellopoulos. Editorial: special issue on ubiquitous electronic commerce systems |
| 5 | -- | 29 | Krassie Petrova, Bin Wang. Location-based services deployment and demand: a roadmap model |
| 31 | -- | 74 | Anas Aloudat, Katina Michael. Toward the regulation of ubiquitous mobile government: a case study on location-based emergency services in Australia |
| 91 | -- | 101 | Xi Chen, Shiguo Lian. Service and P2P based secure media sharing in mobile commerce environments |
| 103 | -- | 121 | Yi Ren, Fangquan Cheng, Zhiyong Peng, Xiaoting Huang, Wei Song. A privacy policy conflict detection method for multi-owner privacy data protection |