Security Analysis of Role Based Access Control Models with Temporal and Spatiotemporal Constraints http://127.0.0.1/xmlui/handle/123456789/14143 Mon, 15 Jun 2026 10:13:07 GMT 2026-06-15T10:13:07Z Security Analysis of Role Based Access Control Models with Temporal and Spatiotemporal Constraints http://127.0.0.1/xmlui/handle/123456789/14147 Security Analysis of Role Based Access Control Models with Temporal and Spatiotemporal Constraints Mondal, Samrat Sat, 01 Aug 2009 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/14147 2009-08-01T00:00:00Z