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…

Abstract: Since the discovery of conducting polymers in 1977, a new era of research work has escalated, with applications such as transistors, solar cells, logic circuits, sensors, etc. The materials can be chemically modified during their synthesis in order to…

Resumo: A voz é uma das faculdades essenciais à comunicação humana; é adquirida e vai se formando através de nosso crescimento físico e emocional. Os profissionais da voz, em especial o professor, devido ao uso intensivo e por estar, em…

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…