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CE
2008
76views more  CE 2008»
13 years 10 months ago
Determining factors of the use of e-learning environments by university teachers
E-learning environments increasingly serve as important infrastructural features of universities that enable teachers to provide students with different representations of knowled...
Hossein Mahdizadeh, Harm Biemans, Martin Mulder
CORR
2010
Springer
104views Education» more  CORR 2010»
13 years 10 months ago
Support Recovery of Sparse Signals
We study the tradeoffs between the number of measurements, the signal sparsity level, and the measurement noise level for exact support recovery of sparse signals via random noisy ...
Yuzhe Jin, Young-Han Kim, Bhaskar D. Rao
COMCOM
2008
153views more  COMCOM 2008»
13 years 10 months ago
A TTP-free protocol for location privacy in location-based services
Location-based services (LBS) will be a keystone of the new information society that is founded on the information and communications technologies (ICTs). Mobile devices such as c...
Agusti Solanas, Antoni Martínez-Ballest&eac...
CSDA
2008
150views more  CSDA 2008»
13 years 10 months ago
Unimodal regression via prefix isotonic regression
This paper gives algorithms for determining real-valued univariate unimodal regressions, that is, for determining the optimal regression which is increasing and then decreasing. S...
Quentin F. Stout
AI
2006
Springer
13 years 10 months ago
Propagation algorithms for lexicographic ordering constraints
Finite-domain constraint programming has been used with great success to tackle a wide variety of combinatorial problems in industry and academia. To apply finite-domain constrain...
Alan M. Frisch, Brahim Hnich, Zeynep Kiziltan, Ian...