Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shiraishi Hiroshi,Visualization of Event Propagation Structure of Multivariate Count Data using Hawkes graphs and its Application to Life Insurance Business,JILI JOURNAL,13467190,Japan Institute of Life Insurance,2020-12-20,2020,213,125-170,https://cir.nii.ac.jp/crid/1390572404769018880,https://doi.org/10.51107/jilijournal.2020.213_125