Patent ID: 9699166
Date: 2017-07-04
CPC Classifications: G06Q,H04L

Claim:
1. A method in a social network server for providing a notification of an authentication request message from a first client to a second client to establish a social relationship, the method comprising: detecting the authentication request message sent by the first client to the second client; acquiring identification information of the first client and the second client-from the authentication request message; selecting a server among a plurality of servers, the server having stored an inverted index associated with the first client and the second client; extracting, from the server, common relationship information based on the inverted index between the first client and the second client; identifying a third client from a plurality of clients based on the common relationship information, the third client having direct social network relationship with the first client and the second client, and having a highest degree of familiarity with the first client and second client, the highest degree of familiarity calculated by: causing the second client to display the common relationship information; and in response to an authentication of the revised authentication request message by the second client based on the common relationship information, establishing a social relationship between the first client and the second client.