AliMe Avatar: Multi-modal Content Production and Presentation for Live-streaming E-commerce. - Feng-Lin Li; Zhongzhou Zhao; Qin Lu 001; Xuming Lin; Hehong Chen; Bo Chen; Liming Pu; Jiashuo Zhang; Fu Sun; Xikai Liu; Liqun Xie; Qi Huang; et al. (SIGIR, 2021)