
445Cloud-Centric Assured Information Sharing for Social Networks
2. The second case corresponds to the scenario where a set of users opts for a decentralized
approach. For example, agencies 3, 4, and 5 wish to share information with each other and
mutually opt for the decentralized approach. All the three agencies store their respective
domain ontologies at the central cloud storage, and this information is only accessible to
members of this group. The subsequent information-sharing process proceeds in the man-
ner described earlier for the decentralized CAISS++ approach.
3. The third case corresponds to the scenario where a user of an agenc ...