[Feature/Operation] new schema instantiation [Key Word] MAY schemas other than the base set can be instantiated and supported by the agent. [Section] 
Data Definitions
T e r m i n o l o g y
D a t a t r a n s p o r t
X M L / R D F e n c o d i n g
D a t a R e f e r e n c e s
H a r m o n i z e d V o c a b
R e a s o n C o d e s
D a t a D e f i n i t i o n s
S o u r c e A t t r i b u t e