About: http://webisa.webdatacommons.org/268099631

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	Its free and its powerful, however getting the hang of the different algorithms present in the package is a whole lot of trial and error.
http://www.w3.org/ns/prov#wasQuotedFrom	mostlynerd.com