[BUG] Output Edge Labels in the Distributed Sampler #4898
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alexbarghi-nv
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Adds a heterogeneous link prediction example for cuGraph-PyG that uses the Taobao dataset. Loosely based on the Taobao example from the PyG repository. Adds ability to specify fanout as a dictionary to better align with PyG API. Fixes a bug where the number of negative samples was calculated incorrectly, causing additional unwanted negative samples to be generated. Updates the negative sampling call to match the new behavior added in rapidsai/cugraph#4885 Merge after rapidsai/cugraph#4898 Authors: - Alex Barghi (https://github.com/alexbarghi-nv) Approvers: - Tingyu Wang (https://github.com/tingyu66) - Kyle Edwards (https://github.com/KyleFromNVIDIA) URL: #104
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We currently do not output edge labels in the distributed sampler, which breaks some link prediction workflows where the graph contains pre-labeled edges. This PR adds support for that so these workflows can be enabled.