About: http://webisa.webdatacommons.org/111818967

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	[N] subcript is indeed valid for XPath, e.g. para[1] selects the first para child of the context node See w3.org/TR/xpath/#path-abbrev
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com