Requirement

http://premon.fbk.eu/resource/fn16-being_necessary@requirement an entity of type: Concept

The entity or state-of-affairs that must be present or obtain in order for the Dependent to obtain.
xsd:dateTime 2004-06-30T20:24:49+02:00 
Requirement 
xsd:int 6691 
req 

data from the linked data cloud