About: http://webisa.webdatacommons.org/373415054

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	Before using the Upgrade option, however, you should uninstall certain types of programs, such as preferences panes, system add-ons, including Mail and Safari add-ons, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	mac-forums.com