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• W1557777493 abstract "Predicting cascade dynamics has important implications for understanding information propagation and launching viral marketing. Previous works mainly adopt a pair-wise manner, modeling the propagation probability between pairs of users using n^2 independent parameters for n users. Consequently, these models suffer from severe overfitting problem, specially for pairs of users without direct interactions, limiting their prediction accuracy. Here we propose to model the cascade dynamics by learning two low-dimensional user-specific vectors from observed cascades, capturing their influence and susceptibility respectively. This model requires much less parameters and thus could combat overfitting problem. Moreover, this model could naturally model context-dependent factors like cumulative effect in information propagation. Extensive experiments on synthetic dataset and a large-scale microblogging dataset demonstrate that this model outperforms the existing pair-wise models at predicting cascade dynamics, cascade size, and who will be retweeted." @default.
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• W1557777493 date "2013-10-14" @default.
• W1557777493 modified "2023-09-27" @default.
• W1557777493 title "Learning user-specific latent influence and susceptibility from information cascades" @default.
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• W1557777493 doi "https://doi.org/10.48550/arxiv.1310.3911" @default.
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