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ICC
2007
IEEE
143views Communications» more  ICC 2007»
16 years 1 months ago
A Stochastic Framework for Scheduling in Wireless Packet Access Networks
— We put forth a unified framework for downlink and uplink scheduling of multiple connections with diverse qualityof-service requirements, where each connection transmits using ...
Xin Wang, Georgios B. Giannakis
ICC
2007
IEEE
139views Communications» more  ICC 2007»
16 years 1 months ago
Optimal Power Allocation for Amplify-And-Forward Relay Networks via Conic Programming
— Relay power allocation has been shown to provide substantial performance gain in wireless relay channels when perfect global channel state information (CSI) is available. In th...
Tony Q. S. Quek, Moe Z. Win, Hyundong Shin, Marco ...
ACCV
2007
Springer
16 years 29 days ago
Backward Segmentation and Region Fitting for Geometrical Visibility Range Estimation
Abstract. We present a new application of computer vision: continuous measurement of the geometrical visibility range on inter-urban roads, solely based on a monocular image acquis...
Erwan Bigorgne, Jean-Philippe Tarel
AIED
2007
Springer
16 years 29 days ago
The Effect of Problem Templates on Learning in Intelligent Tutoring Systems
: This paper proposes the notion of problem templates (PTs), a concept based on theories of memory and expertise. These mental constructs allow experts to quickly recognise problem...
Moffat Mathews, Antonija Mitrovic
AIED
2007
Springer
16 years 29 days ago
Beyond the code-and-count analysis of tutoring dialogues
In this paper, we raise a methodological issue concerning the empirical analysis of tutoring dialogues: The frequencies of tutoring moves do not necessarily reveal their causal ef...
Stellan Ohlsson, Barbara Di Eugenio, Bettina Chow,...