The system includes a sensor for detecting a state of a space; a robot for
executing a handling job for an article; an article identifying part for
identifying, when an article is handled by a movable body, the article in
response to a detection result obtained by the sensor; and an article
handling subject identifying part for identifying an article handling
subject that handles the article. When the movable body that handles the
article is the robot, the article handling subject identifying part
identifies a subject having issued a job instruction to the robot as the
article handling subject.