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Oral
in
Workshop: Structured Probabilistic Inference and Generative Modeling

Neurosymbolic Markov Models

Lennert De Smet · Gabriele Venturato · Luc De Raedt · Giuseppe Marra

Keywords: [ Neurosymbolic ] [ Markov Models ] [ Probabilistic Logic Programming ]


Abstract:

Many fields of AI require models that can handle both probabilistic sequential dependencies and logical rules. For example, autonomous vehicles must obey traffic rules in uncertain environments. Deep Markov models excel in managing sequential probabilistic dependencies but fall short in incorporating logical constraints. Conversely, neurosymbolic AI (NeSy) integrates deep learning with logical rules into end-to-end differentiable models, yet struggles to scale in sequential settings. To address these limitations, we introduce neurosymbolic Markov models (NeSy-MM), which merge deep probabilistic Markov models with logic. We propose a scalable strategy for inference and learning in NeSy-MM combining Bayesian statistics, automated reasoning and gradient estimation. Our experimental results demonstrate that this framework not only scales up neurosymbolic inference, but also that incorporating logical knowledge into Markov models improves their performance.

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