Chainer: A Deep Learning Framework for Accelerating the Research Cycle. - Seiya Tokui; Ryosuke Okuta; Takuya Akiba; Yusuke Niitani; Toru Ogawa; Shunta Saito; Shuji Suzuki; Kota Uenishi; Brian Vogel; Hiroyuki Yamazaki Vincent (KDD, 2019)