Learning In Networks
نویسنده
چکیده
Intelligent systems require software incorporating probabilistic reasoning, and often times learning. Networks provide a framework and methodology for creating this kind of software. This paper introduces network models based on chain graphs with deterministic nodes. Chain graphs are defined as a hierarchical combination of Bayesian and Markov networks. To model learning, plates on chain graphs are introduced to model independent samples. The paper concludes by discussing various operations that can be performed on chain graphs with plates as a simplification process or to generate learning algorithms. Un systeme intelligent doit necessairement inclure un module de raisonement probabiliste et meme bien souvent des mechanismes d'apprentissage. Les reseaux offrent un cadre et une methodologie pour creer de tels logiciels. Ce papier introduit des modeles de reseaux bases sur les graphes en chaine avec noeuds deterministes. Un graphe en chaine est defini comme etant une combinaison hierarchique de reseaux Bayesiens et de reseaux de Markov. Afin de modeliser l'apprentissage, j'introduit des couches dans ces graphes en chaines pour modeliser des echantillons independants. Le papier conclue en discutant un certain nombre d'operations qui peuvent etre effectuees sur les graphes en chaine afin de les simplifier ou pour generer des algorithmes d'apprentissage.
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تاریخ انتشار 1995