Location prediction using wireless signals on online social networks

摘要

In one embodiment, a method includes receiving from a client system of a user, background signal-information identifying one or more first wireless signals within wireless communication range of the client system; accessing a place-entity database, wherein the place-entity database comprises information indicating that a first place-entity corresponds to one or more second wireless signals; determining that the client system is located at a geographic location associated with the first place-entity based on determining that the one or more first wireless signals match the one or more second wireless signals and further based on the information indicating that the first place-entity corresponds to the one or more second wireless signals; and sending, to the client system, information associated with the first place-entity automatically without a query from the user of the client system, wherein the query is related to the first place-entity.