COMPUTER-SUPPORTED COOPERATIVE WORK, CSCW (BUSINESS ECONOMICS); MOBILFUNKNETZE + DRAHTLOSE NACHRICHTENNETZE (NACHRICHTENTECHNIK); COMPUTER-SUPPORTED COOPERATIVE WORK, CSCW (BETRIEBSWIRTSCHAFT); VERTEILTE ANWENDUNGEN + CLOUD COMPUTING + GRID COMPUTING (COMPUTERSYSTEME); MOBILE RADIO NETWORKS + WIRELESS COMMUNICATIONS NETWORKS (TELECOMMUNICATIONS); DISTRIBUTED APPLICATIONS + CLOUD COMPUTING + GRID COMPUTING (COMPUTER SYSTEMS)