Workshop Proceedings 3rd International Workshop on Knowledge Discovery in Healthcare Data (KDH) Kerstin Bach, Razvan Bunescu, Oladimeji Farri, Aili Guo, Sadid Hasan, Zina Ibrahim, Cindy Marling, Jesse Raffa, Jonathan Rubin, Honghan Wu Co-located with IJCAI/ECAI 2018 July 13th, 2018 in Stockholm, Sweden Copyright c 2018 for the individual papers by the papers’ authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors. 2