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                           Fig. 10.3 The User Management form


                           does not feature on this form because individual participants cannot be assigned
                           directly to org groups, but must instead be assigned to a position, which in turn
                           is assigned to an org group via the Organizational Data Management form. User
                           Privileges may also be set for participants using this form (see Sect. 10.6.1 for more
                           details).



                           10.4 Architecture


                           The Resource Service is the largest and the most complex of the YAWL Custom
                           Services, and consists of a number of components. The core service manages the
                           allocation of resources to work items as designated at design time, in addition
                           to runtime manipulations. To support the various patterns, a dedicated worklist is
                           incorporated. Forms for editing work items are dynamically generated and dis-
                           played via the dynamic forms component, while “custom” forms are also supported.
                           An administrative toolset is made available to maintain the organizational model,
                           to manage case instances, to manage custom services, and so on. Much of the
                           service has pluggable interfaces, where end-user organizations can add their own
                           customizations.
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