Cost and Care Insight: An Interactive and Scalable Hierarchical Learning System for Identifying Cost Saving Opportunities. - Yuan Zhang; David Koepke; Bibo Hao; Jing Mei; Xu Min; Rachna Gupta; Rajashree Joshi; Fiona McNaughton; Zhan-Heng Chen; Bo-Wei Zhao; Lun Hu; Pengwei Hu 001 (ICIC (1), 2022)