About: http://webisa.webdatacommons.org/190331823

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	Copies the u-th stack value, not including u itself, where the remaining stack items have indices beginning with 0. u must be between 0 and two less than the total number of elements on the stack (including u).
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com