Sciweavers

1558 search results - page 29 / 312
» Effective Analysis and Design of Computer-Supported Learning...
Sort
View
AUTOMATICA
2000
67views more  AUTOMATICA 2000»
14 years 9 months ago
Stability analysis of learning feed-forward control
In this paper, a learning control system is considered for motion systems that are subject to two types of disturbances; reproducible disturbances, that re-occur each run in the s...
Wubbe J. R. Velthuis, Theo J. A. de Vries, Pieter ...
CLUSTER
2006
IEEE
15 years 1 months ago
STAS: A Scalability Testing and Analysis System
Scalability is a crucial factor in performance evaluation and analysis of parallel and distributed systems. Much effort has been devoted to scalability research and several metric...
Yong Chen, Xian-He Sun
ITS
2004
Springer
99views Multimedia» more  ITS 2004»
15 years 3 months ago
Promoting Effective Help-Seeking Behavior Through Declarative Instruction
The ability to use help-resources efficiently is an important skill in any learning environment, whether the student is in a traditional classroom or is using an Intelligent Tutor...
Ido Roll, Vincent Aleven, Kenneth R. Koedinger
VRML
2010
ACM
15 years 1 months ago
Cognitive scaffolding in Web3D learning systems: a case study for form and structure
In this paper, we describe a case study in usability engineering for Web3D learning systems and introduce a new step to the typical methods of the usability design. Pedagogical ap...
Felipe Bacim, Nicholas F. Polys, Jian Chen, Mehdi ...
CCS
2010
ACM
14 years 10 months ago
Attacks and design of image recognition CAPTCHAs
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Li...