Child of

The Child Of keyword checks if a concept is a child of another concept.

WIKI: https://en.wikipedia.org/wiki/Tree_(data_structure)#Terminology

This function is NOT SQL compatible. For more information about SQL compatibility, see our documentation.

Returns a Yes/No value that indicates if concept_a is an child of concept_b.

concept_a Child Of concept_b

'Europe'.'Amsterdam' Child Of 'Europe' => Yes.