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.. _tutorials1-index:
Graph neural networks and its variants
--------------------------------------------
* **Graph convolutional network (GCN)** `[research paper] <https://arxiv.org/abs/1609.02907>`__ `[tutorial]
<1_gnn/1_gcn.html>`__ `[Pytorch code]
<https://github.com/dmlc/dgl/blob/master/examples/pytorch/gcn>`__
`[MXNet code]
<https://github.com/dmlc/dgl/tree/master/examples/mxnet/gcn>`__:
* **Graph attention network (GAT)** `[research paper] <https://arxiv.org/abs/1710.10903>`__ `[tutorial]
<1_gnn/9_gat.html>`__ `[Pytorch code]
<https://github.com/dmlc/dgl/blob/master/examples/pytorch/gat>`__
`[MXNet code]
<https://github.com/dmlc/dgl/tree/master/examples/mxnet/gat>`__:
GAT extends the GCN functionality by deploying multi-head attention
among neighborhood of a node. This greatly enhances the capacity and
expressiveness of the model.
* **Relational-GCN** `[research paper] <https://arxiv.org/abs/1703.06103>`__ `[tutorial]
<1_gnn/4_rgcn.html>`__ `[Pytorch code]
<https://github.com/dmlc/dgl/tree/master/examples/pytorch/rgcn>`__
`[MXNet code]
<https://github.com/dmlc/dgl/tree/master/examples/mxnet/rgcn>`__:
Relational-GCN allows multiple edges among two entities of a
graph. Edges with distinct relationships are encoded differently.
* **Line graph neural network (LGNN)** `[research paper] <https://openreview.net/pdf?id=H1g0Z3A9Fm>`__ `[tutorial]
<1_gnn/6_line_graph.html>`__ `[Pytorch code]
<https://github.com/dmlc/dgl/tree/master/examples/pytorch/line_graph>`__:
This network focuses on community detection by inspecting graph structures. It
uses representations of both the original graph and its line-graph
companion. In addition to demonstrating how an algorithm can harness multiple
graphs, this implementation shows how you can judiciously mix simple tensor
operations and sparse-matrix tensor operations, along with message-passing with
DGL.