1. Bray, T., Paoli, J., Sperberg-McQueen, C.M., Maler, E., Yergeau, F.: ExtensibleMarkup Language (XML) 1.0 (5th Edition). W3C Recommendation (2008), http://www.w3.org/TR/REC-xml/,
2. Lecture Notes in Computer Science;P. Samarati,2001
3. Mohan, S., Klinginsmith, J., Sengupta, A., Wu, Y.: ACXESS - Access Control forXML with Enhanced Security Specifications. In: Proceedings of the 22nd International Conference on Data Engineering (ICDE 2006), pp. 171–171. IEEE Computer Society Press, New York (2006)
4. Moses, T.: eXtensible Access Control Markup Language (XACML) Version 2.0.OASIS Standard (2005), http://docs.oasis-open.org/xacml/2.0/access_control-xacml-2.0-core-spec-os.pdf,
5. Hada, S., Kudo, M.X.: Access Control Language: Provisional Authorization forXML Documents (2000), http://www.trl.ibm.com/projects/xml/xacl/xacl-spec.html,