2228 search results - page 261 / 446 » Electronic Payment Systems |
221
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CODASPY
2011
14 years 10 months ago
2011
Social Network Systems pioneer a paradigm of access control that is distinct from traditional approaches to access control. Gates coined the term Relationship-Based Access Control...
162
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ICALT
2006
IEEE
16 years 21 days ago
2006
IEEE
This paper investigated whether learner’s personality features might have effects on uses of Web-based Hypermedia Systems, which has been used in the electronic learning (e-Lear...
226
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MOBIHOC
2009
ACM
16 years 1 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
215
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
166
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GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
This paper proposes a decentralized adaptive soft frequency reuse scheme for the uplink of a 4G long-term evolution (LTE) system. While universal frequencies reuse (UFR) is being ...