Philanthro-metrics: Mining multi-million-dollar gifts Osili, Una O. ; Ackerman, Jacqueline ; Kong, Chin Hua ; Light, Robert P. ; Börner, Katy Abstract Publication: PLoS ONE Pub Date: May 2017 DOI: 10.1371/journal.pone.0176738 Bibcode: 2017PLoSO..1276738O