Published in Greek by the Research Institute of Urban Environment and Human Resources (UEHR), Panteion University, Athens, Greece., The traditional Western model of the university, characterised by collegiality and the autonomy, has been challenged by agencies of the U.K. central…

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In Mexico, 40% of the population in primary and secondary
schools suffer from bullying; verbal assaults represent the form
of aggression with a higher percentage among school children
(CNDH, 2010). This form of harassment may not leave…

This work describes a way to map complex and / or multivalued attributes from a visual query environment to relational databases, using XML. These attributes are usually produced after the application of integration methodologies, like ERC+, whenever exists in original…

In this work we propose a solution to the frame and ramification problems in terms of a dependence relation that points out the circumstances in which a certain action may change the truth value of a given literal. Such relation…