There exists a large amount of knowledge representation models. But most of them have significant limitations at the epistemic level. They do not have explanatory power. Most of them do not have means to represent some functional needs to work…

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…

El conocimiento de los procesos que condujeron a una determinada realidad académica constituye un basamento indispensable para la elaboración de medidas tendientes a su mejora futura. En tal sentido aquí se estudian los procesos que conforman el camino que han…

Uno de los grandes problemas de la educación a distancia soportada por computadora (e-learning) radica en que muchos de los estudiantes que inician un curso, se frustran, se sienten desmotivados, no logran asimilar los conocimientos y en consecuencia lo abandonan.…

El uso educativo de Internet, es de gran relevancia en todos los niveles de una sociedad. Es una herramienta global de consulta en tiempo real, un marco para la difusión, intercambio y socialización de conocimientos, que trasciende cuestiones geográficas y…

Robotic soccer is a way of putting different developments in intelligent agents into practice, including not only problems such as multi-agent planning and coordination, but also physical problems related to vision and communication subsystems. In this work, we present the…

La mayoría de los sistemas de Vídeo bajo Demanda (VoD, Video on Demand) fueron diseñados para trabajar en redes dedicadas. Sin embargo, hay algunos sistemas que proveen servicio de VoD en redes de mejor esfuerzo y no dedicadas, pero ellos…

Inheritance is one of the most important object-oriented mechanisms, allowing code reuse and a conceptual hierachical modelling of a given domain.
However, as a white-box reuse mechanism, it introduces hidden (implicit) coupling between classes in a hierarchy. This problem makes…

Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…

Knowledge acquisition for systems based on knowledge can be called knowledge engineering, according to Feigenbaum (1980) who used the term to describe the reduction of a wide context of knowledge for a set of facts and rules. The term Knowledge…