About: http://webisa.webdatacommons.org/425822823

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	Thus, there is a problem with your formulas, which I suggest to get rid of before going any further.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com