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SP-GCRL advances influence maximization by integrating graph contrastive learning with reinforcement learning to handle noisy, incomplete social networks efficiently. This approach addresses critical challenges in modeling non-stationary diffusion dynamics while scaling effectively for large real-world topologies. The method demonstrates significant performance gains over existing baselines without relying on computationally expensive metrics.
SP-GCRL: Influence Maximization on Incomplete Social Graphs
arXiv:2605.12513v2 Announce Type: replace-cross Abstract: Influence maximization (IM) in real platforms is challenged by incomplete, noisy social graphs and non-stationary diffusion dynamics. We propose SP-GCRL, a social-propagation-aware graph contrastive reinforcement learning framework that learns end-to-end seed selection under partial observability.We first introduce a social-propagation-aware nonlinear diffusion function to model reinforcement/diminishing effects and probability drift under repeated exposure; we then construct dual structural views and perform contrastive learning to obtain node representations robust to missing edges and weak ties, while replacing expensive strategy metrics with a GAT-based regression surrogate to improve efficiency and scalability; finally, we use DDQN to learn an end-to-end seed selection policy on top of these representations. Experiments on multiple real-world networks show that SP-GCRL achieves significant gains over heuristic and learning-based baselines across budgets and topologies, while maintaining strong large-scale scalability.
Abstract:Influence maximization (IM) in real platforms is challenged by incomplete, noisy social graphs and non-stationary diffusion dynamics. We propose SP-GCRL, a social-propagation-aware graph contrastive reinforcement learning framework that learns end-to-end seed selection under partial this http URL first introduce a social-propagation-aware nonlinear diffusion function to model reinforcement/diminishing effects and probability drift under repeated exposure; we then construct dual structural views and perform contrastive learning to obtain node representations robust to missing edges and weak ties, while replacing expensive strategy metrics with a GAT-based regression surrogate to improve efficiency and scalability; finally, we use DDQN to learn an end-to-end seed selection policy on top of these representations. Experiments on multiple real-world networks show that SP-GCRL achieves significant gains over heuristic and learning-based baselines across budgets and topologies, while maintaining strong large-scale scalability.
Accepted by DASFAA 2026. The first two authors contributed equally
Social and Information Networks (cs.SI); Artificial Intelligence (cs.AI)
arXiv:2605.12513 [cs.SI]
(or arXiv:2605.12513v2 [cs.SI] for this version)
https://doi.org/10.48550/arXiv.2605.12513 Focus to learn more arXiv-issued DOI via DataCite
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