1472 search results - page 41 / 295 » Access control in virtual environments |
132
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LISP
2008
15 years 4 months ago
2008
We describe the use of a flexible meta-interpreter for performing access control checks on deductive databases. The meta-program is implemented in Prolog and takes as input a datab...
115
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CHI
2003
ACM
15 years 9 months ago
2003
ACM
Access control is one of the most important issue with ubiquitous networking environment. Traditional access control methods are mainly considering authentication of registered us...
125
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APCHI
2004
IEEE
15 years 8 months ago
2004
IEEE
Abstract. Access control within a ubiquitous networking environment is a critical issue. Traditional access control methods have mainly relied on the authentication of registered u...
144
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ICWL
2005
Springer
15 years 10 months ago
2005
Springer
We have previously developed a collaborative virtual environment (CVE) for small-group virtual classrooms, intended for distance learning by geographically dispersed students. The...
177
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TWC
2010
14 years 11 months ago
2010
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...