La découverte du système des peptides natriurétiques (NP), au début des années 80, fut une découverte majeure qui révéla le rôle endocrinien du cœur. Les connaissances sur la relaxation vasculaire, la diurèse et la natriurèse provoquées par ce système ont…

One of the key aspects in the design of an architecture for autonomous agents is the way in which beleifs are revised in the face of new information. An intelligent agent must be prepared to handle new information (be it…

This document describes a general structure for the implementation of virtual tools for remote calculation through Internet. Two virtual tools for mathematical analysis
(Analys) and simulation of dynamic systems (SimWeb), supported by the Matlab c, are described. These virtual tools,…

Research, development and technological innovation (RD&I) companies promote inter- and intra-organizational interactions based on the formation of research nets. This arrangement prioritizes the use of competencies of both people and institutions, stimulating the generation of new knowledge and competencies, and…

This article presents the confluence of two general ideas: Defeasible Logic Programming (DeLP, an argumentation based formalism for representing knowledge and reasoning) and Abduction in logic. In first place, we introduce a framework that formally states the problem of doing…

Scientific knowledge and skills acquired by students during pre-university education has diminished since legislative changes were introduced in Spain during the 1990's. As a result, education in the field of science is suffering. Some initiatives are currently underway in Great…

2008

Data mining is at the core of the knowledge discovery process. However, an initial preprocessing step is crucial for assuring reliable results within this process. Preprocessing of data is a time-consuming and non-trivial task since data quality issues should be…

El objetivo del trabajo es subrayar la peculiaridad cartesiana y lo revolucionario de su propuesta al proponer estudiar las pasiones humanas de manera científica; como el propio autor lo afirma en la obra sobre el tema, al declarar que su…

La Biología es la ciencia de los organismos, ciencia que da una visión unificada de todos los seres vivos, especialmente de los humanos con los otros organismos animales. El objetivo de este trabajo es analizar, a la luz de la…