Figure 2 - uploaded by Yaxin Cui
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Illustration of sampling and aggregation in GraphSAGE method. A sample of neighboring nodes contributes to the embedding of the central node.
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Graph Neural Networks have revolutionized many machine learning tasks in recent years, ranging from drug discovery, recommendation systems, image classification, social network analysis to natural language understanding. This paper shows their efficacy in modeling relationships between products and making predictions for unseen product networks. By...
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Context 1
... GraphSAGE is a representation learning technique for dynamic graphs. It can predict the embedding of a new node, without needing a re-training procedure. To do this, GraphSAGE uses inductive learning. It learns aggregator functions that can induce new node embedding, based on the features and neighborhood of the node. As illustrated in Fig. 2, GraphSAGE learns node embeddings for attributed graphs (where nodes have features or attributes) through aggregating neighboring node attributes. The aggregation parameters are learned by encouraging node pairs co-occurring in short random walks to have similar representations. Many GNN models learn functions that generate the ...
Context 2
... GraphSAGE is a representation learning technique for dynamic graphs. It can predict the embedding of a new node, without needing a re-training procedure. To do this, GraphSAGE uses inductive learning. It learns aggregator functions that can induce new node embedding, based on the features and neighborhood of the node. As illustrated in Fig. 2, GraphSAGE learns node embeddings for attributed graphs (where nodes have features or attributes) through aggregating neighboring node attributes. The aggregation parameters are learned by encouraging node pairs co-occurring in short random walks to have similar representations. Many GNN models learn functions that generate the ...