Li Zhou Jianfeng Gao 0001 Di Li Heung-Yeung Shum The Design and Implementation of XiaoIce, an Empathetic Social Chatbot. 53-93 2020 46 Comput. Linguistics 1 https://doi.org/10.1162/coli_a_00368 https://www.wikidata.org/entity/Q126418497 db/journals/coling/coling46.html#ZhouGLS20