JSC has currently two datasets: Imagenet and Open Images Dataset V4, Subset with Bounding Boxes (600 classes). They are accessible upon request.
For those with granted access, they are at
/p/project/cjsc/benchmark/open-images-dataset-v4, respectively. The original imagenet tarball is also available, but not recommended. Open access has two sub-directories:
As of December, 15, 2018, the full Open Images Dataset V4 is being downloaded.