Access Restriction

Author Cramer, Marcos ♦ Zhang, Yang
Source CiteSeerX
Content type Text
Publisher ACM Press
File Format PDF
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Description In: Proc. 20th ACM Symposium on Access Control Models and Technologies (SACMAT
Nowadays in popular online social networks users can black-list some of their friends in order to disallow them to access resources that other non-blacklisted friends may access. We identify three independent binary decisions to utilize users’ blacklists in access control policies, resulting into eight ac-cess restrictions. We formally define these restrictions in a hybrid logic for relationship-based access control, and pro-vide syntactical transformations to rewrite a hybrid logic ac-cess control formula when fixing an access restriction. This enables a flexible and user-friendly approach for restricting access in social networks. We develop efficient algorithms for enforcing a subset of access control policies with restrictions. The effectiveness of the access restrictions and the efficiency of our algorithms are evaluated on a Facebook dataset.
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article
Publisher Date 2015-01-01