The combination of soil science, forestry, agronomy and biology allowed an analytical comparison of various experimental mixed culture systems. From these studies, a descriptor system was developed which allows to understand the contribution of each plant species to nutrient cycling,…

El análisis actual sobre las profesiones se centra en su relación con la estructura
social, las organizaciones y la política, de tal manera que las tendencias más recientes
están configurando su estudio sobre la base del conocimiento abstracto y de…

This thesis proposes a methodology for the design of man-machine interfaces by combining top-down and bottom-up processes in vision. From a computational perspective, we propose that the scientific-cognitive question of combining top-down and bottom-up knowledge is similar to the engineering…

Most neural network learning algorithms cannot use knowledge other than what is provided in the training data. Initialized using random weights, they cannot use prior knowledge such as knowledge stored in previously trained networks. This manuscript thesis addresses this problem.…

Este trabajo propone un modelo declarativo para el modelado de sistemas de gestión
de diálogo. La estrategia propuesta se basa en una división funcional del sistema de gestión en
cuatro niveles: especificación, interfaz de usuario, representación y ejecución; cada uno…

2007

When it was created in 1995, the Universitat Oberta de Catalunya (UOC) served only 200 students and offered two degrees. Today, it has expanded its activities to serve over 20,000 students and 16 official degrees. UOC also offers more than…

2009

Descripción completa.

Despite numerous studies reporting on sustainable consumption or organic consumer profiles, there is a gap in thorough understanding of organic consumers in different places, since most of studies only investigate organic consumption in most developed countries. The goal of this…