In the information age, knowledge leads to profits, power and success. As an ancestor of data mining, machine learning has concerned itself with discovery of new knowledge on its own. This paper presents experiment results produced by genetic algorithms in…

O projeto da rede corporativa de uma empresa requer que sejam bem conhecidas as características, necessidades e tendências de evolução do seu ambiente de informática, as tecnologias e tipos de equipamentos de rede disponíveis no mercado e como tais tecnologias…

En este trabajo analizaremos comparativamente las ediciones en español y portugués de la
enciclopedia El Tesoro de la Juventud. Así como en varios países del mundo, las traducciones
de la enciclopedia The Book of Knowledge tuvieron enorme suceso editorial en…

La Sociedad de la Información y el Conocimiento con su constante evolución tecnológica ha traído aparejados grandes y acelerados cambios sociales en los más variados aspectos de nuestra vida diaria. Y que ocurre con el Derecho? Por supuesto aprovecha las…

The development of systems with the ability to reason about change notion and actions has been of great importance for the artificial intelligence community. The definition and implementation of systems capable of managing defeasible, incomplete, unreliable, or uncertain information has…

O artigo trata da questão da poluição atmosférica e do aquecimento global, fazendo um estudo do Protocolo de Kyoto e questões de natureza ética. Este artigo objetiva relacionar desenvolvimento sustentável, mecanismos de desenvolvimento limpo e mercado de créditos de carbono.…

In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information.
The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…

While entertainment web forums provide a dynamic medium for interaction, not many researchers feel the need to go deeply into the contents.
One of the reasons behind this attitude lies on a widely perceived assumption that web forums do not…

This work describes the ontology construction process for the development of an Intelligent System for the Organization and Retrieval of Knowledge in Biodiversity – SISBIO. The system aims at the production of strategic information for the biofuel chain Two main…

Information Retrieval Systems normally deal with keywordbased technologies. Although those systems reach satisfactory results, they aren’t able to answer more complex queries done by users, especially those directly in natural language. To do that, there are the KnowledgeBased Systems, which…