The aim of this work is to relate two apparently independent concepts as belief revision and relevance. We propose a formal characterization for the notion of (ir)relevance by means of a set of postulates. Then we define (ir)relevance using change…

To find a good termination criterion for genetic algorithms is a difficult and frequently ignored task. In most instances the practitioner stops the algorittm after a predefined number of generations or function evaluations. How this number is established? This stop…

The development of isolated agents involves the manipulation of components such as actions, mental attitudes and decisions. Multi-agent systems have to deal with these components from different agents, without to forget the privacy and autonomy of each agent. For programming…

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…

The need for improving software processes approximated the software engineering and artificial intelligence areas. Artificial intelligence techniques have been used as a support to software development processes, particularly through intelligent assistants that offer a knowledge-based support to software process’ activities.…

About fifteen years ago, the Electronic Engineering Department of the National Technological University of Buenos Aires was structured grouping the curricula in Knowledge Areas. One of them was the Digital Area. It was assumed that its contents should be changing…

Increasing attention to higher education policies in the knowledge-based society makes important to understand the relationship between socio-economic family characteristics and educational choices. This paper considers the decision to go to college in Argentina as a family's economic decision. The…

Teniendo como marco de trabajo la cátedra de “Trabajo Profesional” de la Facultad de Ingeniería de la Universidad de Buenos Aires, se presenta una experiencia de desarrollo, en la que se trató de respetar el conocimiento teórico, el modelo así…

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,…

Los virus herpes bovino 1 y 5 (BHV-1 y 5) afectan naturalmente al bovino,
especie en la que provocan diversas manifestaciones clínicas: rinotraqueítis, vulvovaginitis pustular infecciosa (IPV), balanopostitis (IPB), conjuntivitis, aborto y encefalitis. La
distribución de la infección es mundial,…