Required_entity

http://premon.fbk.eu/resource/fn15-being_necessary@required_entity an entity of type: Concept

An entity that has to be present for the Dependent state of affairs to obtain
xsd:dateTime 2005-06-09T12:07:37+02:00 
Required_entity 
xsd:int 8122 
reqe 

data from the linked data cloud