About: http://webisa.webdatacommons.org/99819020

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	If the to value is an integer greater than or equal to the from value, $EXTRACT returns the specified substring.
http://www.w3.org/ns/prov#wasQuotedFrom	intersystems.com