<http://webisa.webdatacommons.org/concept/joint_petition_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"petition" .
<http://webisa.webdatacommons.org/concept/joint_petition_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"joint" .
<http://webisa.webdatacommons.org/concept/joint_petition_>	<http://www.w3.org/2000/01/rdf-schema#label>	"joint petition" .