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PERCOM
2008
ACM
13 years 9 months ago
An Infrastructure for Developing Pervasive Learning Environments
This paper presents an infrastructure for developing problem-based pervasive learning environments. Building such environments necessitates having many autonomous components deali...
Sabine Graf, Kathryn MacCallum, Tzu-Chien Liu, Mai...
CHI
2002
ACM
14 years 9 months ago
Acquisition of expanding targets
There exist several user interface widgets that dynamically grow in size in response to the user's focus of attention. Some of these, such as icons in toolbars, expand to fac...
Michael J. McGuffin, Ravin Balakrishnan
ICDE
2010
IEEE
292views Database» more  ICDE 2010»
14 years 8 months ago
Usher: Improving Data Quality With Dynamic Forms
Data quality is a critical problem in modern databases. Data entry forms present the first and arguably best opportunity for detecting and mitigating errors, but there has been li...
Kuang Chen, Harr Chen, Neil Conway, Joseph M. Hell...
ECSQARU
2009
Springer
14 years 3 months ago
Probability Density Estimation by Perturbing and Combining Tree Structured Markov Networks
To explore the Perturb and Combine idea for estimating probability densities, we study mixtures of tree structured Markov networks derived by bagging combined with the Chow and Liu...
Sourour Ammar, Philippe Leray, Boris Defourny, Lou...
ICC
2008
IEEE
143views Communications» more  ICC 2008»
14 years 3 months ago
A Closed-Form Expression for Static Worm-Scanning Strategies
—This work presents a closed-form expression for characterizing the spread of static worm-scanning strategies through a mean-field approximation. Our model can both accurately c...
Zesheng Chen, Chao Chen