RT Journal Article ID 50aecb340ef6d172 A1 Abdullayeva, Fargana T1 On One Model of Access Differentiation to Resources of Information System "Population and Migration" by using Petri Nets JF Journal of Automation and Information Sciences JO JAI(S) YR 2008 FD 2008-11-25 VO 40 IS 9 SP 76 OP 79 AB The authorization model that allows users to gain access to required resources of information system "Population and migration" has been offered. For this purpose the mechanism of granting and revoking privileges to users has been applied. The authorization model implements the functions of the role-based access control of a user by means of colored Petri nets. PB Begell House LK https://www.dl.begellhouse.com/journals/2b6239406278e43e,6fc262711912bbaf,50aecb340ef6d172.html