About: http://webisa.webdatacommons.org/53391164

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	For comparison, regarding Perls /o regex optimization, there was a discussion here on SO. For Perl, these optimitzations do not do really much any more.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com