主权项 |
1. A method performed by a system including devices associated with users and an information processing device that provides presence information indicating a state of the users, the method comprising:
collecting, by the information processing device, from the devices, pieces of first information indicating which of a plurality of networks is accessible from each of the devices; identifying, by the information processing device, combination of a plurality of pieces of the first information collected from a plurality of devices associated with a first user by using second information indicating correspondence between the first user and the plurality of devices; and generating, by the information processing device, first presence information including information indicating a location of the first user, based on the combination. |