Ji Zhao 0001 Deyu Meng FastMMD: Ensemble of Circular Discrepancy for Efficient Two-Sample Test. 1345-1372 2015 27 Neural Comput. 6 https://doi.org/10.1162/NECO_a_00732 https://www.wikidata.org/entity/Q47571345 db/journals/neco/neco27.html#0001M15