Simple BGP entry (triple)
The named graph.
Quad_Graph
Optional
The object.
Quad_Object
The predicate.
Quad_Predicate
The subject.
Quad_Subject
Contains the constant "Quad".
Contains an empty string as constant value.
The term to compare with.
True if and only if the argument is a) of the same type b) has all components equal.
Simple BGP entry (triple)