Paypal, Inc.

Christopher Tang

Jun Zhang

Fei Li

Chao B Zhang

Xiaohan Yun

Yang Yu

Frédéric Tu

Zhijun Ling

Libin Sun

A method is provided that includes accessing, by a server provider server of a service provider, a database storing associations between network addresses and locations. Additionally, the method includes determining a subset of the database corresponding to a first network address, each association included in the subset corresponding to an association between the first network address and a respective location. The method also includes in response to determining that the subset of the database satisfies one or more clustering criteria, calculating a representative location corresponding to the first network address, and storing an association between the first network address and the representative location in a second database.

Efficient risk model computations

Growing community of inventors

Union City, CA, United States of America

Christopher Tang