| 摘要 |
Systems and methods are disclosed for creating a user profile for a subject user based on historical aggregate profile data for locations at which the subject user was previously located. In one embodiment, one or more location and time period pairs are determined for the subject user, each defining a previous location of the subject user and a time period during which the subject user was at the location. For a plurality of location and time period pairs, a plurality of historical aggregate profiles for a corresponding plurality of sub-bands within the time period defined by each location and time period pair in the plurality of location and time period pairs is obtained. A user profile for the subject user is created based on the plurality of historical aggregate profiles for the corresponding plurality of sub-bands based on relevancy ratings for the plurality of sub-bands. |
