ogbn-arxiv text features don't match

[devinbost]

I noticed that the node abstracts in https://snap.stanford.edu/ogb/data/misc/ogbn_arxiv/titleabs.tsv.gz almost match in quantity (179,719) to the nodes obtained from the DGL graph (DglNodePropPredDataset(name='ogbn-arxiv')) (169,343). It's not clear yet to me why there is a discrepancy. However, it makes it difficult for me to map the text features of the nodes to the nodes in the DGL graph. Any explanation would be helpful.

[TristonNV]

Issue has been addressed in https://github.com/snap-stanford/ogb/issues/222. The reason is that not all the listed the node abstracts file are mapped into the graph, such as paper id 200971, with title "ontology as a source for rule generation". The real number of node can be found in the "nodeidx2paperid.csv" file. And this file is in arxiv/mapping folder after unzip.

[github-actions[bot]]

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