| 摘要 |
A method and apparatus for updating a local database, storing availability data at a mobile electronic device, from a remote database over a wireless network is provided. First request data is transmitted to the remote database over the wireless network and first availability data for a fust time period, comprising data representative of at least a first invitee's availability during the first time period, is subsequently received therefrom. Second request data is assembled, for requesting, from the remote database, at least the first invitee's availability during only a second time period, and transmitted to the remote database. Second availability data is subsequently received therefrom, comprising data representative of at least the first invitee's availability during only the second time period. The second availability data is stored in the local database if the second availability data is indicative that at least the first invitee is available during the second time period. |
