About: http://webisa.webdatacommons.org/334972915

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	Well, need is a big word but these addons will improve your efficiency by at least 50%.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com