Attn-JGNN: Attention Enhanced Join-Graph Neural Networks

• URL: http://arxiv.org/abs/2510.15583v1
• Date: Fri, 17 Oct 2025 12:24:50 GMT
• Title: Attn-JGNN: Attention Enhanced Join-Graph Neural Networks
• Authors: Jixin Zhang, Yong Lai,
• Abstract summary: We propose an Attention Enhanced Join-Graph Neural Networks(Attn-JGNN) model for solving #SAT problems.<n>Attn-JGNN uses tree decomposition to encode the CNF formula into a join-graph, then performs iterative message passing on the join-graph, and finally approximates the model number by learning partition functions.<n>Our experiments show that our Attn-JGNN model achieves better results than other neural network methods.
• Score: 3.2972851108503014
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose an Attention Enhanced Join-Graph Neural Networks(Attn-JGNN) model for solving #SAT problems, which significantly improves the solving accuracy. Inspired by the Iterative Join Graph Propagation (IJGP) algorithm, Attn-JGNN uses tree decomposition to encode the CNF formula into a join-graph, then performs iterative message passing on the join-graph, and finally approximates the model number by learning partition functions. In order to further improve the accuracy of the solution, we apply the attention mechanism in and between clusters of the join-graphs, which makes Attn-JGNN pay more attention to the key variables and clusters in probabilistic inference, and reduces the redundant calculation. Finally, our experiments show that our Attn-JGNN model achieves better results than other neural network methods.

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