Tractable Bayesian Network Structure Learning with Bounded Vertex Cover Number

Janne H. Korhonen, Pekka Parviainen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

16 Citations (Scopus)

Abstract

Both learning and inference tasks on Bayesian networks are NP-hard in general. Bounded tree-width Bayesian networks have recently received a lot of attention as a way to circumvent this complexity issue; however, while inference on bounded tree-width networks is tractable, the learning problem remains NP-hard even for tree-width~2. In this paper, we propose bounded vertex cover number Bayesian networks as an alternative to bounded tree-width networks. In particular, we show that both inference and learning can be done in polynomial time for any fixed vertex cover number bound k, in contrast to the general and bounded tree-width cases; on the other hand, we also show that learning problem is W[1]-hard in parameter k. Furthermore, we give an alternative way to learn bounded vertex cover number Bayesian networks using integer linear programming (ILP), and show this is feasible in practice.
Original languageEnglish
Title of host publicationThe Twenty-ninth Annual Conference on Neural Information Processing Systems (NIPS), Montreal, 6.-12.12.2015
EditorsCorinna Cortes, Neil D. Lawrence, Daniel D. Lee, Masashi Sugiyama, Roman Garnett
Pages622-630
Publication statusPublished - 2015
MoE publication typeA4 Conference publication
EventIEEE Conference on Neural Information Processing Systems - Montreal, Canada
Duration: 7 Dec 201512 Dec 2015
Conference number: 28

Publication series

NameAdvances in neural information processing systems
ISSN (Print)1049-5258

Conference

ConferenceIEEE Conference on Neural Information Processing Systems
Abbreviated titleNIPS
Country/TerritoryCanada
CityMontreal
Period07/12/201512/12/2015

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