Inferential SIR-GN: Scalable Graph Representation Learning

• URL: http://arxiv.org/abs/2111.04826v1
• Date: Mon, 8 Nov 2021 20:56:37 GMT
• Title: Inferential SIR-GN: Scalable Graph Representation Learning
• Authors: Janet Layne and Edoardo Serra
• Abstract summary: Graph representation learning methods generate numerical vector representations for the nodes in a network. In this work, we propose Inferential SIR-GN, a model which is pre-trained on random graphs, then computes node representations rapidly. We demonstrate that the model is able to capture node's structural role information, and show excellent performance at node and graph classification tasks, on unseen networks.
• Score: 0.4699313647907615
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Graph representation learning methods generate numerical vector representations for the nodes in a network, thereby enabling their use in standard machine learning models. These methods aim to preserve relational information, such that nodes that are similar in the graph are found close to one another in the representation space. Similarity can be based largely on one of two notions: connectivity or structural role. In tasks where node structural role is important, connectivity based methods show poor performance. Recent work has begun to focus on scalability of learning methods to massive graphs of millions to billions of nodes and edges. Many unsupervised node representation learning algorithms are incapable of scaling to large graphs, and are unable to generate node representations for unseen nodes. In this work, we propose Inferential SIR-GN, a model which is pre-trained on random graphs, then computes node representations rapidly, including for very large networks. We demonstrate that the model is able to capture node's structural role information, and show excellent performance at node and graph classification tasks, on unseen networks. Additionally, we observe the scalability of Inferential SIR-GN is comparable to the fastest current approaches for massive graphs.

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