<http://webisa.webdatacommons.org/224893093>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nih.gov> .
<http://webisa.webdatacommons.org/prov/369204563>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/224893093> .
<http://webisa.webdatacommons.org/224893093>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/224893093>	<http://www.w3.org/ns/prov#value>	"The line graph is a graph derived by interchanging nodes and edges of another graph." .