Access control languages which support administrative controls, and thus allow the ordinary permissions of a system to change, have traditionally been constructed with first order predicate logic or graph rewriting rules. We introduce a new access control model to implement administrative controls directly in terms of the security properties—we call this Security Property Based Administrative C...

background: professionalism is a core competency of physicians. this study was conducted to design a model for formative assessment of professional commitment in medical students according to stages of change theory.   methods: in this qualitative study, data were collected through literature review & focus group interviews in the tehran university of medical sciences in 2013 and analyzed using...

Governor of Arizona . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Janet Napolitano Superintendent of Public Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tom Horne Student Regent (voting), appointed to June 2004 ....

IMPORTANCE At the turn of the 21st century, studies evaluating the change in incidence of appendicitis over time have reported inconsistent findings. OBJECTIVES We compared the differences in the incidence of appendicitis derived from a pathology registry versus an administrative database in order to validate coding in administrative databases and establish temporal trends in the incidence of...

The complex problems associated with global change processes calls for close collaboration between science disciplines to create new, integrated knowledge. In the wake of global change processes, forests and other natural environments have been rapidly changing, highlighting the need for collaboration and integrative research development. Few tools are available to explore the potential for col...

Change management is crucial to the survival and development of organizations, the more effectively you deal with change, the more likely you are to thrive. However there are a large number of failures of change management. Organizational change itself is a considerably complex activity; any tiny mistake in change management could lead to the failure of organizational change. Consequently this ...

In the present computing environment, access control decisions are often based on contextual information like the location of users and objects as well as the time of making an access request. Several variants of Role based Access Control (RBAC) have recently been proposed that support spatio-temporal policy specifications. However, unlike the administrative models available for RBAC, there is ...