This inquiry sought to examine the effects of participating in an online discussion forum on the development of knowledge for teaching mathematics. The participants of this study were among the pre-service teachers from a large urban university, chosen as they…

2007

In wireless communications, the broadcast nature can be explored to efficiently support multicast services while the difference in channel gains among the wireless links of users promotes multiuser diversity which can be used to improve multicast performance. This thesis proposes…

This work examines the patterns inherent to the understanding of the nature of the forbidden fruit in an attempt to demonstrate parallels between the reasoning of biblical interpreters, on one hand, and of artists, on the other., While the biblical…

It has been proposed that forms of dialogue (Keegan, 1993) are differentially related to subject knowledge possessed by the student and the roles that teachers and students play within those dialogues. A reading of the socio-constructivist literature suggests that maximal…

This thesis proposes a knowledge based expert system tool that can be used as an on- line controller for the charging/discharging of an energy storage system in a wind-diesel microgrid. The wind-diesel microgrid is modelled, and a typical energy storage…

Knowledge of the distribution of soil organic matter (SOM) fractions is important in managing soils toward a sustainable agricultural system ina tropical environment, However, data on Histosols in limited. This study developed 19 regions of Brazil. Soil organic matter was…

En: Proceedings of KR-2006, Tenth International Conference on Principles of Knowledge Representation and Reasoning, Lake District of the United Kingdom, june 2-5, 2006, p. 90-99

Forecast models based on climatic conditions are of great interest in Integrated Pest Management (IPM) programs. The success of these models depends, among other factors, on the knowledge of the temperature effect on the pests? population dynamics. In this direction,…

In reasoning about multi-agent systems, it is important to look beyond the realm of propositional logic and to reason about the knowledge of agents within the system, as what they know about the environment will affect how they behave. A…