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Efficient embedding of complex networks to hyperbolic space via their Laplacian

机译:通过拉普拉斯算子将复杂网络有效地嵌入到双曲空间

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摘要

The different factors involved in the growth process of complex networks imprint valuable information in their observable topologies. How to exploit this information to accurately predict structural network changes is the subject of active research. A recent model of network growth sustains that the emergence of properties common to most complex systems is the result of certain trade-offs between node birth-time and similarity. This model has a geometric interpretation in hyperbolic space, where distances between nodes abstract this optimisation process. Current methods for network hyperbolic embedding search for node coordinates that maximise the likelihood that the network was produced by the afore-mentioned model. Here, a different strategy is followed in the form of the Laplacian-based Network Embedding, a simple yet accurate, efficient and data driven manifold learning approach, which allows for the quick geometric analysis of big networks. Comparisons against existing embedding and prediction techniques highlight its applicability to network evolution and link prediction.
机译:复杂网络增长过程中涉及的不同因素将有价值的信息烙印在其可观察的拓扑结构中。如何利用这些信息来准确预测结构网络的变化是积极研究的主题。最近的网络增长模型认为,大多数复杂系统共有的属性的出现是节点出生时间和相似性之间某些权衡取舍的结果。该模型在双曲空间中具有几何解释,其中节点之间的距离抽象了此优化过程。用于网络双曲线嵌入的当前方法搜索节点坐标,该方法使上述模型产生网络的可能性最大化。在这里,采用了基于拉普拉斯网络嵌入的形式的另一种策略,这是一种简单而又准确,高效且由数据驱动的流形学习方法,可以对大型网络进行快速几何分析。与现有嵌入和预测技术的比较突出了其在网络演进和链路预测中的适用性。

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