_:vb135157	<http://www.w3.org/ns/r2rml#objectMap>	_:vb135158 .
_:vb135157	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb135156 .
_:vb135156	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/semmed/sentence_id> .
_:vb135158	<http://www.w3.org/ns/r2rml#column>	"SENTENCE_ID" .