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Frequently Asked Questions (FAQ)

Are DGLGraphs directed or not? How to represent an undirected graph? All DGLGraphs are directed. To represent an undirected graph, you need to create edges for both directions. dgl.to_bidirected can be helpful, which…

2 4492 January 13, 2021
About the Questions category
0 539 December 8, 2018
How to evaluate on link prediction with Dataloaders
1 5 May 28, 2022
Link prediction - how to deal with new nodes in test set
2 17 May 27, 2022
How to implement graph.update_all() manually?
0 9 May 27, 2022
Build from source with cuda error
0 9 May 26, 2022
When Weight=False the model doesn't output the correct Output feature size
1 21 May 26, 2022
Handling Edge Features in HeteroGraphConv wrapper for heterogeneous graphs
12 73 May 24, 2022
Is the gradient result of dgl.ops with max/min operation correct?
2 22 May 24, 2022
`dgl.dataloading.ShaDowKHopSampler` example Error?
5 31 May 21, 2022
Hi, I’m using CUDA 11.4 and I failed to install DGL. I’m wondering when will cuda 11.4 be available using dgl?
2 31 May 20, 2022
For Mini-batch size parameter, if -1, is that meaning use full graph training?
4 33 May 19, 2022
Can UVA be shareable in multi-gpu trainings?
1 27 May 19, 2022
Why the training time of sampling methods for RGCN is slower than normal training RGCN?
3 32 May 18, 2022
Why GATConv gives two weights of each edge in both direction?
1 26 May 17, 2022
Self-Loop Edge Attention Weight vs Node Importance
1 31 May 17, 2022
AttributeError: 'DGLHeteroGraph' object has no attribute 'adj_sparse'
3 39 May 23, 2022
RGCN h_dict becomes empty after 2 conv layer
1 36 May 16, 2022
Build sequence diagram data with DGL
1 24 May 16, 2022
GatedGraphConv doesn't have a convolutional layer
1 30 May 16, 2022
Hetro GNN link prediction
1 44 May 16, 2022
dgl._ffi.base.DGLError: Expect number of features to match number of nodes (len(u)). Got 42 and 145 instead
7 69 May 16, 2022
KeyError for rgcn-hetero Entity Classification w/ minibatch training
0 30 May 16, 2022
cudaErrorInvalidDevice in DGLGraph.to() to copy the graph to gpu 1
1 31 May 15, 2022
RGCN for heterographs
8 1155 May 13, 2022
Inconsistency of GPU-CPU transfer time between NvProf and measurement in python
0 25 May 11, 2022
Mixed precision training on heterogenous graph
4 89 May 9, 2022
What is the block?
2 50 May 9, 2022
Random walk impl with COO format (not CSR)?
3 57 May 9, 2022
The problem of loading OGB dataset
3 41 May 9, 2022