Data mining is at the core of the knowledge discovery process. However, an initial preprocessing step is crucial for assuring reliable results within this process. Preprocessing of data is a time-consuming and non-trivial task since data quality issues should be…

The need for privacy has become a major priority for both governments and civilians desiring protection from signal interception. Widespread use of personal communications devices has only increased demand for a level of security on previously insecure communications. This paper…

The Semantic Web attempts to reach a state in the future where everything on the Web will no longer be only machine-readable, but also machine-understandable. An ontology is an explicit specification of a conceptualization. A conceptualization is an abstract, simplified…

Significant levels of the burnout syndrome were encountered in a study of 304 elementaryschool professionals, teaching students at the 8 to 12 year level, in Mexico City, Mexico.A questionnaire containing demographic, employment, and productivity data wasanalyzed and correlated in the…

Se analiza un conjunte de fenómenos “anómalos” para la teoría de la conducta, come el autnmeldeamientn, el autnmantenimiento, la conducta adjuntiva y el referzamientn no contingente. Se hace incapié en la necesidad de considerar las características físicas del medio experimental,…

This study analyzed how basic level students comprehend short descriptive texts and rewrite their texts through the use of graphic organizers (GOs). The research was built upon the qualitative research paradigm with the inclusion of descriptive and introspective approaches.The study…

Curso "Web Development 2" sobre programación web con PHP para el "Máster doble competencia en ciencias informáticas y ciencias sociales" ("Master double competence in computer science and social science")., Proyecto TEMPUS JEP – 26235-2005.

AbstractA detailed analysis is provided here of the concept, perceptions and attitudes towards native and non-native English speaking teachers. The notion that the ideal language educator is a native speaker is explained and questioned, and examples of the unfair treatment…

This issue is an especially exciting one for me as editor of Bellaterra. We have now been publishing this journal for more than twelve months and in this volume, new features that are the fruit of our experience from this…

Reading comprehension in a content area needs to be seen from both the content and language perspectives. This paper examines the use of intensive reading, a strategy taken from the language teaching field, to help students improve their reading comprehension…