About: http://webisa.webdatacommons.org/55527833

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The ground node also ensures the co-existence of loops of size 2 and 3 from any node, which implies is positive, i.e. all elements of are greater than zero.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov