This paper presents a knowledge-based approach to facilitate the engineering design
process relating to spacecrafts. Because the design evolves over a long time and typically
involves individuals working at different locations and frequently for different
organizations, the degree of collaboration…

En este trabajo se ha desarrollado un sistema para la resolución computacional de la anáfora generada en el uso del lenguaje natural por pronombres (personales y demostrativos) y anáforas adjetivas en los diálogos. El método propuesto se basa en el…

En este artículo se presenta un sistema de aprendizaje supervisado para la desambiguación del sentido de las palabras. Dicho sistema se basa en los modelos de probabilidad condicional de máxima entropía. El conocimiento lingüístico se adquiere a partir de un…

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…

This thesis explores how doctors and nurses use documents to share their knowledge within and across healthcare settings. In addressing this question I draw on a 15-month, multi-sited ethnographic study in several pediatric health care settings, following patients from primary…

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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.…

Introduction : Les pressions sont fortes envers les professionnels de la santé pour qu’ils appliquent une pratique factuelle. Toutefois, un écart important demeure entre les résultats des recherches et la réalité clinique. Par son aspect interactif, le Web 2.0 peut…

In the restricted single-machine common due date problem the goal is to find a schedule for the n jobs which jointly minimizes the sum of earliness and tardiness penalties, while for the weighted tardiness problem the goal is to find…

Argumentative formalisms have been widely recognized as knowledge representation and reasoning tools able to deal with incomplete and potentially contradictory informa- tion. All such formalisms are computationally demanding. Hence, optimizing argumen- tative systems has been approached from di erent views.