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AIEDU
2005
106views more  AIEDU 2005»
15 years 1 months ago
A Comparison of Model-Tracing and Constraint-Based Intelligent Tutoring Paradigms
Two approaches to building intelligent tutoring systems are the well-established model-tracing paradigm and the relatively newer constraint-based paradigm. Proponents of the constr...
Viswanathan Kodaganallur, Rob R. Weitz, David Rose...
TASLP
2008
104views more  TASLP 2008»
15 years 1 months ago
Tracking of Nonstationary Noise Based on Data-Driven Recursive Noise Power Estimation
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
Jan S. Erkelens, Richard Heusdens
107
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TCS
2008
15 years 1 months ago
Expanders and time-restricted branching programs
The replication number of a branching program is the minimum number R such that along every accepting computation at most R variables are tested more than once; the sets of variab...
Stasys Jukna
116
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IS
2007
15 years 1 months ago
A configurable reference modelling language
Enterprise Systems (ES) are comprehensive off-the-shelf packages that have to be configured to suit the requirements of an organization. Most ES solutions provide reference models...
Michael Rosemann, Wil M. P. van der Aalst
TMI
2008
154views more  TMI 2008»
15 years 1 months ago
Brain Anatomical Structure Segmentation by Hybrid Discriminative/Generative Models
In this paper, a hybrid discriminative/generative model for brain anatomical structure segmentation is proposed. The learning aspect of the approach is emphasized. In the discrimin...
Zhuowen Tu, Katherine Narr, Piotr Dollár, I...