About: http://webisa.webdatacommons.org/117529398

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	They basically do the same things, although some offer other features like computer scan for problems, registry cleaners and other useful tools.
http://www.w3.org/ns/prov#wasQuotedFrom	techpp.com