主权项 |
1. A monitoring method comprising:
acquiring, by an information processing apparatus, a first piece of information indicating a detection result of whether or not an item placed in an item placement area has been moved, and a second piece of information indicating a detection result of a direction of a person located around the item placement area; and determining, by the information processing apparatus, whether or not to output warning information, based on the first piece of information and the second piece of information. |