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In this paper, we present an approach to student's evaluation in a well-defined domain based on a semantic network. A similarity matrix based on the semantic memory structure of humans is used to build a semantic distance model in order…

La construcción del propio aprendizaje es una tarea que debemos fomentar desde los Centros Docentes Universitarios y no Universitarios, con el fin de poder llevar a cabo un proceso de enseñanza lo más significativo posible. En este caso, se aborda…

This study was designed to examine the ability to use prior knowledge in text comprehension and knowledge integration. The focus of the research was on effects of different degrees of subjects' theoretical knowledge in the domain of biochemistry on their…

Current approaches to generation for machine translation make use of direct-replacement templates, large grammars, and knowledge-based inferencing techniques. Not only are rules language-specific, but they are too simplistic to handle sentences that exhibit more complex phenomena. Furthermore, these systems are…

The São Francisco River basin in Brazil is marked by socio-economic disparities and environrnental vulnerabilities. Water managers in the semi-arid region of the basin are faced with several challenges, such as competition among different water user groups, local over-exploitation of…

http://dx.doi.org/10.5007/1677-2954.2008v7n2p323This paper advances the main tenets of a new meta-ethical approach to moral problems. I holds that there is moral knowledge and that it is best understood in terms of knowing-how. Moreover, ir presents an analysis of knowing-how and shows…

This paper describes the development of an image retrieval
system that combines probabilistic and ontological information1. The
process is divided in two different stages: indexing and retrieval. Three
information flows have been created with different kind of information
each one:…

En este trabajo describimos la primera prueba sistemática realizada para evaluar el rendimiento de Sentitext, un sistema de análisis de sentimiento aún en fase de desarrollo. A diferencia de la mayoría de los sistemas existentes, el funcionamiento de Sentitext está…

This study investigated the underlying factor structure of second language (L2) cloze test performance as explained by a theoretical model including the following hypothetical constructs: cloze-taking ability, knowledge of language, knowledge of text content, and knowledge of contextual constraints. Eight…