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AIED
2009
Springer
15 years 4 months ago
Evidence of Misunderstandings in Tutorial Dialogue and their Impact on Learning
We explore the frequency and impact of misunderstandings in an existing corpus of tutorial dialogues in which a student appears to get an interpretation that is not in line with wh...
Pamela W. Jordan, Diane J. Litman, Michael Lipschu...
ICWL
2009
Springer
15 years 4 months ago
Enhancing the Social Capital of Learning Communities by Using an Ad Hoc Transient Communities Service
In online learning, communities can help to enhance learning. However, because of the dynamic nature of communities, attaining and sustaining these communities can be difficult. On...
Sibren Fetter, Adriana J. Berlanga, Peter B. Sloep
PRIMA
2009
Springer
15 years 4 months ago
An Affective Agent Playing Tic-Tac-Toe as Part of a Healing Environment
There is a growing belief that the environment plays an important role in the healing process of patients, supported by empirical findings. Previous research showed that psychologi...
Matthijs Pontier, Ghazanfar Farooq Siddiqui
SAICSIT
2009
ACM
15 years 4 months ago
A lightweight methodology to improve web accessibility
This paper introduces a methodology to improve the accessibility of websites with the use of free so-called automatic tools. The methodology has three iterative phases, namely ass...
Mardé Greeff, Paula Kotzé
CEC
2008
IEEE
15 years 4 months ago
Dynamic adaptation and multiobjective concepts in a particle swarm optimizer for constrained optimization
— In this paper, we propose a novel approach to solve constrained optimization problems based on particle swarm optimization (PSO). First, an empirical comparison of the most pop...
Jorge Isacc Flores-Mendoza, Efrén Mezura-Mo...