Abstract: A server according to an embodiment includes a processor configured to receive a friend add request for a target account from a user terminal accessed with a user account; based on one of the user account and the target account being a protected account, transmit an approval request for the friend add request to a protector account connected to the protected account; and based on receiving a reply to the approval request from the protector terminal, add the target account to a friend list of the user account.

Abstract: A personal information server in a system for event and data sharing includes: a server data manager configured to receive an event triggered at a personal device being used, from among the personal devices, and data information related to the event; and a server database manager configured to store the event and data information received at the server data manager, where the server data manager transmits the event and data information stored at the server database manager to a personal device that does not have the event and data information from among the registered personal devices, and a data sharing application installed in each of the registered personal devices transmits the event and data information triggered at the personal device. The disclosed system provides the advantage of enabling data sharing among a user's personal devices and thus allowing more intelligent services based on dynamic data sharing between personal devices.

Abstract: The present invention relates to an information extraction agent system that provides information to users who request information searches, and is a method to provide information thereof.