US Patent 8005852 Communication device and an information searching method

A communication device may be used to obtain information regarding a group including a user and one or more group members. The communication device includes a table creating module, a user interface, a salutation obtaining module, and an information searching module. The table creating module is configured for creating a data table according to the one or more group members and relationships among the one or more group members of the group. The data table includes at least two personal nodes and a group node. The user interface is configured for acquiring login information about the user. The salutation obtaining module is configured for obtaining a salutation that is used by the user for obtaining a group member's information in the group. The information searching module is configured for locating a personal node corresponding to the group member in the data table according to the login information and the salutation.