[Notes] The class of POWDER documents [Type] RDF Class [Introduced] Section 4.1.3 [Term] 
Document
i s s u e d b y
m a t c h e s r e g e x
n o t k n o w n t o
P r o c e s s o r
d e s c r i b e d b y
D o c u m e n t
a u t h e n t i c a t e