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	Rete Bayesiana Multilivello	Reti Bayesiane Dinamiche
Campo	Bayesiano	Bayesiano
Famiglia	Bayesian methods	Bayesian methods
Anno di origine	1990s–2000s	1989
Ideatore	Extension of Pearl's Bayesian networks; multilevel formulation developed in statistical relational learning community, 1990s–2000s	Thomas Dean & Keiji Kanazawa
Tipo	Probabilistic graphical model (hierarchical)	probabilistic graphical model for sequences
Fonte seminale	Koller, D. & Friedman, N. (2009). Probabilistic Graphical Models: Principles and Techniques. MIT Press. ISBN: 978-0262013192	Dean, T. & Kanazawa, K. (1989). A model for reasoning about persistence and causation. Computational Intelligence, 5(3), 142–150.
Alias	multi-level Bayesian network, hierarchical Bayesian network, MLBN, multilevel probabilistic graphical model	DBN, temporal Bayesian network, dynamic probabilistic graphical model, two-slice temporal Bayesian network
Correlati	6	5
Sintesi	A multilevel Bayesian network extends the standard Bayesian network to data with hierarchical or grouped structure — students within schools, patients within hospitals, observations within subjects — by placing separate but linked graphical models at each level, with higher-level parameters governing the conditional probability tables of lower-level nodes. The result is a principled probabilistic framework that captures both within-group relationships and between-group variation.	A Dynamic Bayesian Network (DBN) extends a standard Bayesian network over time by representing how a set of random variables evolve across discrete time steps. It captures both the conditional independence structure among variables at each instant and the probabilistic dependencies between consecutive time slices, enabling principled reasoning about temporal processes under uncertainty.