Four files for a node-labeled hypergraph.

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node-labels-$dataset.txt
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The number of line i corresponds to the label for node i.


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label-names-$dataset.txt
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Map from label indices to label names. Line i gives the name for label i.


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node-names-$dataset.txt
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The text of line i corresponds to a name for node i.


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hyperedges-$dataset.txt
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Each line represents one hyperedge, given by a comma-separated list of node indices.