About: http://webisa.webdatacommons.org/289720855

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	Most probably the category your are referring to is a column, and not a row.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com