Concatenates the group's string bindings of expression. With a separator, inserts it between values via the
separator= keyword argument; without one, SPARQL defaults to a single space.
Parameters
expression: string
The expression whose string bindings are concatenated
Optionalseparator: string
The string inserted between values, or omitted for the default single space
Generates a SPARQL
group_concat()aggregate.Concatenates the group's string bindings of
expression. With aseparator, inserts it between values via theseparator=keyword argument; without one, SPARQL defaults to a single space.