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» User Modeling in Adaptive Hypermedia Educational Systems
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CORR
2007
Springer
143views Education» more  CORR 2007»
13 years 9 months ago
On Myopic Sensing for Multi-Channel Opportunistic Access
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
Qing Zhao, Bhaskar Krishnamachari, Keqin Liu
ICCCI
2009
Springer
14 years 1 months ago
On Deriving Tagsonomies: Keyword Relations Coming from Crowd
Abstract. Many keyword-based approaches to text classification, information retrieval or even user modeling for adaptive web-based system could benefit from knowledge on relation...
Michal Barla, Mária Bieliková
CORR
2006
Springer
140views Education» more  CORR 2006»
13 years 9 months ago
Cooperative Relay Broadcast Channels
The capacity regions are investigated for two relay broadcast channels (RBCs), where relay links are incorporated into two-user broadcast channels to support user cooperation. In t...
Yingbin Liang, Venugopal V. Veeravalli
CORR
2010
Springer
189views Education» more  CORR 2010»
13 years 9 months ago
Coalition Formation Games for Collaborative Spectrum Sensing
Abstract--Collaborative Spectrum Sensing (CSS) between secondary users (SUs) in cognitive networks exhibits an inherent tradeoff between minimizing the probability of missing the d...
Walid Saad, Zhu Han, Tamer Basar, Mérouane ...
MOBIWAC
2006
ACM
14 years 3 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...