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SI3D
2009
ACM
14 years 2 months ago
Approximating dynamic global illumination in image space
Physically plausible illumination at real-time framerates is often achieved using approximations. One popular example is ambient occlusion (AO), for which very simple and efficie...
Tobias Ritschel, Thorsten Grosch, Hans-Peter Seide...
SIGDOC
2009
ACM
14 years 2 months ago
The micro-structure of use of help
To see whether, from the user’s standpoint, muddling through with trial-and-error exploration of the interface actually works as well as consulting help, we analyzed video recor...
David G. Novick, Oscar D. Andrade, Nathaniel Bean
SIGDOC
2009
ACM
14 years 2 months ago
The macro-structure of use of help
Users of help systems often complain that they do not find them useful; while they still use help at least occasionally, they resort to other problem-solving strategies. In this p...
Oscar D. Andrade, Nathaniel Bean, David G. Novick
ITS
2010
Springer
163views Multimedia» more  ITS 2010»
14 years 14 days ago
Using Problem-Solving Context to Assess Help Quality in Computer-Mediated Peer Tutoring
Collaborative activities, like peer tutoring, can be beneficial for student learning, but only when students are supported in interacting effectively. Constructing intelligent tuto...
Erin Walker, Sean Walker, Nikol Rummel, Kenneth R....
GECCO
2005
Springer
14 years 1 months ago
Using an interactive evolutionary algorithm to help fitting a cochlear implant
Cochlear implants are electronic devices that stimulate directly the auditory nerve to allow totally deaf patients to hear again. This paper presents an interactive evolutionary a...
Claire Bourgeois-République, Bruno Frachet,...