Security, Privacy, and Anonymity in Computation, Communication, and Storage SpaCCS 2019 International Workshops, Atlanta, GA, USA, July 14-17, 2019, Proceedings - Wang, Guojun; Wang, Guojun; Feng, Jun; Feng, Jun; Bhuiyan, Md Zakirul Alam; Bhuiyan, Md Zakirul Alam; Lu, Rongxing; Lu, Rongxing (Springer International Publishing : Imprint: Springer, 2019)