METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR IDENTIFYING A VULNERABLE FRIEND FOR PRIVACY PROTECTION IN A SOCIAL NETWORK

摘要

Method, apparatus, system, computer program product and computer readable medium are disclosed for identifying a vulnerable friend for privacy protection of an object user in the object user's online social network, wherein the object user has a plurality of friends in the social network. The method comprises: for at least some of the object user's friends, estimating their contributions towards dissemination of the object user's privacy information based on their behaviors in the social network; and identifying the vulnerable friend based on the estimated contributions towards dissemination of the privacy information.