. . . . . . . . . . . . . . . "146"^^ . . . "An Agent initiates the beginning of an ongoing Activity in which he will be continuously involved."@en . . . . . . . . "Activity_start" . . . . . . . . . . . . . . . . . . . . . . . . . "2001-06-28T13:19:24+02:00"^^ .