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IAT
2008
IEEE
15 years 9 months ago
Competency-Based Intelligent Curriculum Sequencing: Comparing Two Evolutionary Approaches
The process of creating e-learning contents using reusable learning objects (LOs) can be broken down in two sub-processes: LOs finding and LO sequencing. Although semiautomatic to...
Luis de Marcos, Roberto Barchino, José-Javi...
VLDB
1998
ACM
82views Database» more  VLDB 1998»
15 years 7 months ago
Reducing the Braking Distance of an SQL Query Engine
In a recent paper, we proposed adding a STOP AFTER clause to SQL to permit the cardinality of a query result to be explicitly limited by query writers and query tools. We demonstr...
Michael J. Carey, Donald Kossmann
GLVLSI
2009
IEEE
128views VLSI» more  GLVLSI 2009»
15 years 7 months ago
Impact of lithography-friendly circuit layout
Current lithography techniques use a light wavelength of 193nm to print sub-65nm features. This introduces process variations which cause mismatches between desired and actual waf...
Pratik J. Shah, Jiang Hu
DSP
2006
15 years 3 months ago
On the application of cross correlation function to subsample discrete time delay estimation
Cross correlation function (CCF) of signals is an important tool of multi-sensors signal processing. Parabola functions are commonly used as parametric models of the CCF in time d...
Lei Zhang 0006, Xiaolin Wu
ICASSP
2011
IEEE
14 years 7 months ago
Mixture Kalman filtering for joint carrier recovery and channel estimation in time-selective Rayleigh fading channels
This paper proposes a new blind algorithm, based on Mixture Kalman Filtering (MKF), for joint carrier recovery and channel estimation in time-selective Rayleigh fading channels. M...
Ali A. Nasir, Salman Durrani, Rodney A. Kennedy