_:vb50992636	<http://www.w3.org/ns/r2rml#column>	"participant_name" .
_:vb50992634	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50992636 .
_:vb50992634	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50992635 .
_:vb50992636	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"90" .
_:vb50992635	<http://www.w3.org/ns/r2rml#constant>	<http://www.w3.org/2000/01/rdf-schema#label> .
_:vb50992635	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"90" .
_:vb50992634	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"90" .