Operations for Learning with Graphical Models
نویسندگان
چکیده
منابع مشابه
Operations for Learning with Graphical Models
This paper is a multidisciplinary review of empirical, statistical learning from a graph-ical model perspective. Well-known examples of graphical models include Bayesian networks , directed graphs representing a Markov chain, and undirected networks representing a Markov eld. These graphical models are extended to model data analysis and empirical learning using the notation of plates. Graphica...
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This paper is a multidisciplinary review of empirical, statistical learning from a graph-ical model perspective. Well-known examples of graphical models include Bayesian networks , directed graphs representing a Markov chain, and undirected networks representing a Markov eld. These graphical models are extended to model data analysis and empirical learning using the notation of plates. Graphica...
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One focus of research in graphical models is how to learn them from a dataset of sample cases. This learning task can pose unpleasant problems if the dataset to learn from contains imprecise information in the form of sets of alternatives instead of precise values. In this paper we study an approach to cope with these problems, which is not based on probability theory as the more common approac...
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Probabilistic graphical models are being used widely in artiicial intelligence, for instance, in diagnosis and expert systems, as a uniied qualitative and quantitative framework for representing and reasoning with probabilities and independencies. Their development and use spans several elds including artiicial intelligence, decision theory and statistics, and provides an important bridge betwe...
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Graphical models provide a powerful framework for probabilistic modelling and reasoning. Although theory behind learning and inference is well understood, most practical applications require approximation to known algorithms. We review learning of thin junction trees–a class of graphical models that permits efficient inference. We discuss particular cases in clique graphs where exact inference ...
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ژورنال
عنوان ژورنال: Journal of Artificial Intelligence Research
سال: 1994
ISSN: 1076-9757
DOI: 10.1613/jair.62