Bhartiya, Shalini; Mehrotra, Deepti; Girdhar, Anup - In: International Journal of E-Health and Medical … 7 (2016) 2, pp. 14-29
constraints, each organization defines its own access control schema exhibiting heterogeneity in organizational rules and policies …. An Extensible Access Control Markup Language (XACML)-based framework, Hierarchy Similarity Analyser (HSA), is proposed … which fine-grains access control policies of disparate healthcare organizations to achieve interoperable and secured sharing …