Facebook, Inc.

Jason Michael Carreiro

Tomasz Zawada

Kunal Bhalla

Kuan-Yu Tseng

Saurav Mohapatra

Lionel Laurent Reyero

Jason Sundram

Jacob Perkowski

Samuel Riemer Voigt

A method includes determining an operating condition associated with a mobile device based on contextual information associated with one or more of usage information of the mobile device, user activity of a user of the mobile device, or location information. If the operating condition satisfies a threshold power-consumption condition, the method further includes adjusting a frequency of collecting location information of the mobile device and collecting information on a plurality of locations associated with the mobile device for a particular time period based on the adjusted frequency of collecting the location information. The method further includes adjusting a frequency of uploading collected location information to a server associated with a social-networking system and sending the information on the plurality of locations for a particular time period to the social-networking system based on the adjusted frequency of uploading collected location information for building a location timeline for the mobile device.

Dynamic location collection

Systems, methods, and non-transitory computer-readable media can acquire a request for a map of a particular region. A first set of one or more map portions for representing a first portion of the particular region can be identified based on the particular region. The first set can be associated with a first map data source. A second set of one or more map portions for representing a second portion of the particular region can be identified based on the particular region. The second set can be associated with a second map data source. The map of the particular region can be generated based on a combination of the first set and the second set.

Systems and methods for utilizing multiple map portions from multiple map data sources

In one embodiment, a technique including receiving, from a client system of a user, a first location of the client system. The technique further including receiving, from the client system, an ID of an access point detected by the client system. The technique also including accessing, by the one or more computing devices, an index to determine a second location of the access point based on the ID. The technique further including determining, by the one or more computing devices, a refined location of the client system based on the first location and the second location. The technique also including generating, by the one or more computing devices, a prioritized list of regions based on the refined location and user data. The technique further including transmitting, by the one or more computing devices, information associated with the prioritized list of regions to the client system.

Dynamic location monitoring for targeted updates

Systems, methods, and non-transitory computer-readable media can provide a particular map portion out of a plurality of map portions representing a particular region. An instruction to zoom in, to a requested zoom level, with respect to the particular map portion can be received. It can be determined that a set of four map portions for representing the particular map portion at the requested zoom level is yet to be available. The set of four map portions for representing the particular map portion at the requested zoom level can be acquired. An enlarged version of the particular map portion can be provided, based on the requested zoom level, as a preview for the set of four map portions. The enlarged version of the particular map portion can be provided while the set of four map portions is being acquired.

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Mansfield, MA, United States of America

Jason Michael Carreiro