This paper follows the scenarios and task models debate by reviewing the contributions of task modelling and scenario based approaches from a cognitive perspective. A framework of cognitive affordances is introduced to discuss the merits and limitations of each approach. An extension of the modelling theme, generic task models, is proposed to augment the contribution of knowledge reuse to the d...

In this paper we present our first participation at RepLab Campaign. Our work is focused in two contributions. The first one is the use of an IR method to address Polarity and Filtering tasks. These two tasks can be seen as the same problem: to find the most relevant class to annotate a given tweet. For that, we applied a classical IR approach, using the tweet content as query against an index ...

One of the most interesting questions about social insects is how task allocation is controlled. Often specialization of individual animals occurs; there exist different hypotheses to explain this phenomenon. By using multi-agent simulation we want to gain evidence for the hypothesis that in honeybees (Apis mellifera) the fitness of a colony increases with increased variation of individual resp...

Many latent factors of variation interact to generate sensory data; for example, pose, morphology and expression in face images. In this work, we propose to learn manifold coordinates for the relevant factors of variation and to model their joint interaction. Many existing feature learning algorithms focus on a single task and extract features that are sensitive to the task-relevant factors and...

Complementary to ablation studies in Section 4.2, we study the sensitivity of the temporal ordering task to different configurations. In particular, we vary the ranges τ, τ− for sampling positive and negative pairs as describe in Section 3.1 and train a network using only the modified temporal ordering task. Table 1 shows that the best setting for the two sampling ranges is τ = 4 and τ− = [8, 1...

Perceptual training is generally assumed to improve perception by modifying the encoding or decoding of sensory information. However, this assumption is incompatible with recent demonstrations that transfer of learning can be enhanced by across-trial variation of training stimuli or task. Here we present three lines of evidence from healthy adults in support of the idea that the enhanced transf...

This case study investigated how five novice teachers of French went about implementing tasks. In particular, the investigation aimed at finding out about implementational demands that imposed challenges for the teachers and how they coped with these challenges. The study also looked at the complementary relationship between implementational demands and task design factors and how these impact ...

iii ACKNOWLEDGEMENT It gives me a great pleasure to thank all those people who have helped me and contributed for the successful completion of this work. First of all, I would like to thank my advisor Dr. Ioan Raicu for giving me the opportunity to work under him on this project. The course I took under him triggered my passion in the field of distributed systems. His constant support and encou...

Behaviors are often highly heritable, polygenic traits. To investigate molecular mediators of behavior, we analyzed gene expression patterns across seven brain regions (amygdala, basal ganglia, cerebellum, frontal cortex, hippocampus, cingulate cortex, and olfactory bulb) of 10 different inbred mouse strains (129S1/SvImJ, A/J, AKR/J, BALB/cByJ, BTBR T+ tf/J, C3H/HeJ, C57BL/6J, C57L/J, DBA/2J, a...