Este trabalho apresenta uma ferramenta de autoria para ambientes educacionais altamente interativos baseados na crença de que o aprendiz constrói seu conhecimento quando se torna um agente ativo do seu processo de aprendizado. Estes ambientes possuem como paradigma os “adventure…

Many systems have been developed for constructing decision trees from collections of examples. Although the decision trees generated by these methods are accurate and efficient, they often suffer the disadvantage of excessive complexity that can render them incomprehensible to experts.…

We present a new algorithm to process captured images of reflected Placido rings. Up to our knowledge, conventional topographers transform from Cartesian to polar coordinates and vice-versa, thus extrapolating corneal data and introducing noise and image artefacts. Moreover, captured data…

Michel Foucault, Thomas Mann, and more recently, Sven-Olov Wallenstein have argued that the modern European hospital of the early twentieth century acted as a research laboratory for a new way of governing human populations. This dissertation studies a subsequent phase…

In the last decade, the potential macroeconomic effects of intermittent large adjustments in microeconomic decision variables such as prices, investment, consumption of durables or employment – a behavior which may be justified by the presence of kinked adjustment costs –…

The bulk of research on teacher knowledge has taken place in elementary and secondary school settings. The goal of this study was to examine teacher knowledge in higher education by asking: (1) what types of knowledge are drawn upon in…

A major contribution of research in workplace literacy has been to explore the part that writing plays in the knowledge-making practices of various professional groups. While such enquiry has revealed that writing is essential to the creation and use of…

This study examined the efficacy of conjoint behavioural consultation (CBC) with children evidencing conduct problems, the impact of CBC in enhancing parental knowledge of behavioural principles, and whether knowledge of behavioural principles is related to improved parenting skills. An A/B…

The structural design of power transmission lines requires knowledge from a variety of widely-dispersed expert sources. This thesis demonstrates how an expert system can be efficiently used to assemble and organize this knowledge in order to design a wide range…

Over the past few years, the amount of electronic information available from the Internet has increased dramatically. Unfortunately, the search tools currently available for retrieving and filtering such information remain inadequate in balancing relevance and comprehensiveness. This work proposes a…