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DBSEC
2007
13 years 12 months ago
2007
The extensible access control markup language (XACML) is the standard access control policy specification language of the World Wide Web. XACML does not provide exclusive accesse...
IJCAI
2003
13 years 11 months ago
2003
We present a new algorithm, GM-Sarsa(0), for finding approximate solutions to multiple-goal reinforcement learning problems that are modeled as composite Markov decision processe...
IJCAI
2007
13 years 12 months ago
2007
A long-lived agent continually faces new tasks in its environment. Such an agent may be able to use knowledge learned in solving earlier tasks to produce candidate policies for it...
DBSEC
2004
13 years 11 months ago
2004
Real-time update of access control policies, that is, updating policies while they are in effect and enforcing the changes immediately, is necessary for many security-critical appl...
COMPSAC
2007
IEEE
14 years 2 months ago
2007
IEEE
Access control is one of the most fundamental and widely used security mechanisms. Access control mechanisms control which principals such as users or processes have access to whi...