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Efficient Revenue Maximization for Viral Marketing in Social Networks

机译:社交网络中病毒式营销的有效收益最大化

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In social networks, the problem of revenue maximization aims at maximizing the overall revenue from the purchasing behaviors of users under the influence propagations. Previous studies use a number of simulations on influence cascades to obtain the maximum revenue. However, these simulation-based methods are time-consuming and can't be applied to large-scale networks. Instead, we propose calculation-based algorithms for revenue maximization, which gains the maximum revenue through fast approximate calculations within local acyclic graphs instead of the slow simulations across the global network. Furthermore, a max-Heap updating scheme is proposed to prune unnecessary calculations. These algorithms are designed for both the scenarios of unlimited and constrained commodity supply. Experiments on both the synthetic and real-world datasets demonstrate the efficiency and effectiveness of our proposals, that is, our algorithms run in orders of magnitude faster than the state-of-art baselines, and meanwhile, the maximum revenue achieved is nearly not affected.
机译:在社交网络中,收益最大化的问题旨在最大化影响传播下用户的购买行为所产生的总收益。先前的研究对影响级联使用了许多模拟,以获得最大的收益。但是,这些基于仿真的方法非常耗时,无法应用于大规模网络。取而代之的是,我们提出了一种基于计算的收入最大化算法,该算法通过局部非循环图内的快速近似计算而不是整个全球网络的缓慢模拟来获得最大的收入。此外,提出了一个最大堆更新方案,以修剪不必要的计算。这些算法设计用于商品供应不受限制的情况。在合成数据集和实际数据集上进行的实验证明了我们提案的效率和有效性,也就是说,我们的算法比最新基准运行速度快了几个数量级,同时,实现的最大收益几乎没有受到影响。

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