Have It Both Ways - From A/B Testing to A&B Testing with Exceptional Model Mining. - Wouter Duivesteijn; Tara Farzami; Thijs Putman; Evertjan Peer; Hilde J. P. Weerts; Jasper N. Adegeest; Gerson Foks; Mykola Pechenizkiy (ECML/PKDD (3), 2017)