About: http://webisa.webdatacommons.org/278871370

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	If performance is an issue, you need to add indices to the columns most used in the where clause
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com