The WaaSaBE Model: Marrying WaaS and Business-Entities to Support Cross-Organization Collaboration. - Lior Limonad; Lav R. Varshney; Daniel V. Oppenheim; Elad Fein; Pnina Soffer; Yair Wand; Moran Gavish; Ateret Anaby-Tavor (SRII Global Conference, 2012)