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Remote Participation
Parallel Algorithms and Generalized Frameworks for Learning Large-Scale Bayesian Networks
Event Type
ACM Student Research Competition: Graduate Poster
ACM Student Research Competition: Undergraduate Poster
In-Person Only
Registration Categories
TimeThursday, 18 November 20218:30am - 5pm CST
LocationSecond Floor Atrium
DescriptionBayesian networks (BNs) are an important subclass of graphical machine learning (ML) models that enable probabilistic reasoning about interactions between variables of interest. Their interpretability makes them an ideal model for making high-stakes decisions in fields where explainability is desirable. However, learning BNs with even few thousand variables using existing software libraries requires an infeasible amount of time. This has prevented BNs from becoming a viable alternative to other ML models. To address this, we have developed scalable high-performance libraries for learning large-scale BNs. In this poster, we present our work on parallelizing a variety of popular BN learning algorithms, including a method for constructing parameter-sharing specialization of BNs – module networks. Our experiments show that the optimized open-source implementations of our parallel algorithms reduce the time required for learning networks with tens of thousands of variables from multiple months to a few hours by efficiently utilizing thousands of cores.
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