EvolveGCN: Evolving Graph Convolutional Networks for Dynamic Graphs

By Aldo Pareja, Giacomo Domeniconi, Tengfei Ma, Toyotaro Suzumura, H. Kanezashi, Tim Kaler, Charles E. Leisersen. 2019

1,524 citations recorded by the source corpus.

Graph representation learning resurges as a trending research subject owing to the widespread use of deep learning for Euclidean data, which inspire various creative designs of neural networks in the non-Euclidean domain, particularly graphs. With the success of these graph neural networks (GNN) in the static setting, we approach further practical scenarios where the graph dynamically evolves. Existing approaches typically resort to node embeddings and use a recurrent neural network (RNN, broadly speaking) to regulate the embeddings and learn the temporal dynamics. These methods require the knowledge of a node in the full time span (including both training and testing) and are less applicable to the frequent change of the node set. In some extreme scenarios, the node sets at different time steps may completely differ. To resolve this challenge, we propose EvolveGCN, which adapts the graph convolutional network (GCN) model along the temporal dimension without resorting to node embeddings. The proposed approach captures the dynamism of the graph sequence through using an RNN to evolve the GCN parameters. Two architectures are considered for the parameter evolution. We evaluate the proposed approach on tasks including link prediction, edge classification, and node classification. The experimental results indicate a generally higher performance of EvolveGCN compared with related approaches. The code is available at https://github.com/IBM/EvolveGCN.

Subfields: Artificial Intelligence, Cognitive Neuroscience, Statistical and Nonlinear Physics

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In Artificial Intelligence

  1. Xiang Ren
  2. Michael M. Bronstein
  3. Jure Leskovec
  4. Pan Li
  5. Pascal Poupart
  6. Benjamin Paul Chamberlain
  7. Rishab Goel
  8. Fabrizio Frasca

In Cognitive Neuroscience

  1. Michael M. Bronstein
  2. Xu Sun
  3. Pan Li
  4. Jure Leskovec
  5. Karsten M. Borgwardt
  6. Benjamin Paul Chamberlain
  7. Emanuele Rossi
  8. Jie Zhou

In Statistical and Nonlinear Physics

  1. Michael M. Bronstein
  2. Jure Leskovec
  3. Benjamin Paul Chamberlain
  4. Federico Monti
  5. Fabrizio Frasca
  6. Pan Li
  7. Xiang Ren
  8. Yanbang Wang

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