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  • Da Zheng's avatar
    [Feature] add PBG's negative edge sampling. (#836) · 4297e6d6
    Da Zheng authored 
    * PBG negative edge sampler.

* add a positive edge to make it regular, handle last batch.

* exclude all positive edges in the parent graph.

* just uniformly sample negative nodes.

* fix lint.

* shuffle one-side nodes of positive edges.

* just uniformly sample negative nodes.

* change the data type.

* address comment.

* remove commented code.
    4297e6d6
sampler.cc 45.6 KB