Sweetie 2.0 Using Artificial Intelligence to Fight Webcam Child Sex Tourism - van der Hof, Simone; van der Hof, Simone; Georgieva, Ilina; Georgieva, Ilina; Schermer, Bart; Schermer, Bart; Koops, Bert-Jaap; Koops, Bert-Jaap (T.M.C. Asser Press : Imprint: T.M.C. Asser Press, 2019)