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» An Expressive Extension of TLC
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MUE
2008
IEEE
129views Multimedia» more  MUE 2008»
16 years 27 days ago
G3M: A Generalized Multimedia Data Model Based on MPEG-7
In this paper, a generalized multimedia database data model based on MPEG-7 named G3M is proposed and formally defined. Different from those XML Database Management System (DBMS) ...
Qiong Zuo, Zhongsheng Cao
ADC
2008
Springer
146views Database» more  ADC 2008»
16 years 26 days ago
A Typed Higher-Order Calculus for Querying XML Databases
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Qing Wang, Klaus-Dieter Schewe
AIMSA
2008
Springer
16 years 26 days ago
A Logical Approach to Dynamic Role-Based Access Control
Since its formalization RBAC has become the yardstick for the evaluation of access control formalisms. In order to meet organizational needs, it has been extended along several di...
Philippe Balbiani, Yannick Chevalier, Marwa El Hou...
ICC
2007
IEEE
16 years 25 days ago
BER of MFSK With Postdetection Switch-and-Stay Combining in Correlated Rayleigh and Rician Fading
—The performance of M-ary frequency shift keying (MFSK) with dual-branch postdetection switch-and-stay combining (SSC) in correlated Rayleigh and Rician fading is studied. Closed...
Sasan Haghani, Norman C. Beaulieu
ICC
2007
IEEE
16 years 25 days ago
Optimal Diversity Combining Based on Linear Estimation of Rician Fading Channels
—Optimal receiver diversity combining employing linear channel estimation is examined. Based on the statistical properties of pilot-assisted least-squares (LS) and minimum mean s...
Jingxian Wu, Chengshan Xiao