Facebook, Inc.

Nikhil Tarun Shah

Patrick James Kemp

Steven Richard Geinitz

Anusaya Kukade

A third party system generates a group of users and a function that identifies users in the group as well as additional users not in the group when applied to user identifying information. The third party system transmits the function to an online system, which applies the function to user identifying information associated with various users of the online system. Applying the function to the user identifying information generates a set of users including users in the group and one or more additional users who are not in the group. The online system transmits information associated with users in the set and information identifying users in the set to the third party system, which determines obtained information associated with users of the group. In some embodiments, the information identifying users in the set is obfuscated user identifying information associated with the users in the set by the online system.

Identifying online system users included in a group generated by a third party system without the third party system identifying individual users of the group to the online system

An online system selects different geographic regions to evaluate content presented by the online system. The online system pairs a geographic region with another geographic region based on similarity of the geographic regions. To assist this pairing, the online system identifies users associated with locations within a threshold distance of different geographic regions and retrieves demographic and other characteristics of users associated with locations within the threshold distance of one or more geographic regions. Based on the retrieved characteristics and characteristics of the geographic regions, the online system generates vectors for different geographic regions. For each possible pairing of geographic regions, the online system computes a distance value and selects a pairing of geographic regions based on the distance values. For example, the online system selects a pair of geographic regions associated with a minimum distance value.

System and method for selecting geographic regions for presentation of content based on characteristics of online system users in different geographic regions

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Northwood, United Kingdom

Nikhil Tarun Shah