About: http://webisa.webdatacommons.org/63013648

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	Maybe one of their fellow programmer just made a mess with a regex and they were frustrated about it. :D The question is not uncorrect or other in its structure, imho.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com