Ye Zhonglin, Tang Yanlong, Zhao Haixing, Wang Zhaoyang, Ji Ying
School of Computer, Qinghai Normal University, Xining, Qinghai, China.
Front Neurorobot. 2024 Feb 29;18:1340462. doi: 10.3389/fnbot.2024.1340462. eCollection 2024.
The existing network representation learning algorithms mainly model the relationship between network nodes based on the structural features of the network, or use text features, hierarchical features and other external attributes to realize the network joint representation learning. Capturing global features of the network allows the obtained node vectors to retain more comprehensive feature information during training, thereby enhancing the quality of embeddings. In order to preserve the global structural features of the network in the training results, we employed a multi-channel learning approach to perform high-order feature modeling on the network. We proposed a novel algorithm for multi-channel high-order network representation learning, referred to as the Multi-Channel High-Order Network Representation (MHNR) algorithm. This algorithm initially constructs high-order network features from the original network structure, thereby transforming the single-channel network representation learning process into a multi-channel high-order network representation learning process. Then, for each single-channel network representation learning process, the novel graph assimilation mechanism is introduced in the algorithm, so as to realize the high-order network structure modeling mechanism in the single-channel network representation learning. Finally, the algorithm integrates the multi-channel and single-channel mechanism of high-order network structure joint modeling, realizing the efficient use of network structure features and sufficient modeling. Experimental results show that the node classification performance of the proposed MHNR algorithm reaches a good order on Citeseer, Cora, and DBLP data, and its node classification performance is better than that of the comparison algorithm used in this paper. In addition, when the vector length is optimized, the average classification accuracy of nodes of the proposed algorithm is up to 12.24% higher than that of the DeepWalk algorithm. Therefore, the node classification performance of the proposed algorithm can reach the current optimal order only based on the structural features of the network under the condition of no external feature supplementary modeling.
现有的网络表示学习算法主要基于网络的结构特征对网络节点之间的关系进行建模,或者利用文本特征、层次特征等外部属性来实现网络联合表示学习。捕获网络的全局特征可以使获得的节点向量在训练过程中保留更全面的特征信息,从而提高嵌入的质量。为了在训练结果中保留网络的全局结构特征,我们采用了一种多通道学习方法对网络进行高阶特征建模。我们提出了一种用于多通道高阶网络表示学习的新算法,称为多通道高阶网络表示(MHNR)算法。该算法首先从原始网络结构构建高阶网络特征,从而将单通道网络表示学习过程转化为多通道高阶网络表示学习过程。然后,对于每个单通道网络表示学习过程,算法中引入了新颖的图同化机制,以在单通道网络表示学习中实现高阶网络结构建模机制。最后,该算法整合了高阶网络结构联合建模的多通道和单通道机制,实现了网络结构特征的高效利用和充分建模。实验结果表明,所提出的MHNR算法在Citeseer、Cora和DBLP数据上的节点分类性能达到了较好的水平,并且其节点分类性能优于本文中使用的对比算法。此外,当优化向量长度时,所提出算法的节点平均分类准确率比DeepWalk算法高出12.24%。因此,在所提出算法在没有外部特征辅助建模的情况下,仅基于网络的结构特征,其节点分类性能就能达到当前最优水平。