NAF v3: NSOV-3 MODAF: SOV-5
The Service Functions View (S4) defines the behaviour of a service in terms of the functions it is expected to perform.
S4 is the key behavioural specification for services. Equivalent in nature to L4 (Logical Activities) and R4 (Resource Functions), it specifies a set of functions that a service implementation is expected to perform.
Detailed View Description
Key Elements and Their Relationships
The detailed meta-model for S4 can be viewed here