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20
Implementation of an
Access Control System
for Social Networks
20.1 INTRODUCTION
In the previous chapter, we provided a framework for social network access control using seman-
tic web technologies. Here, we show the results of an initial implementation of our framework on
synthetic data. As stated in Chapter 19, we have designed an extensible, ne-grained online social
network (OSN) access control model based on semantic web technologies. Our main idea is to
encode social network-related information by means of an ontology. In particular, we suggest to
model the following ve important aspects of OSNs using semantic web ontologies: (i