About: http://webisa.webdatacommons.org/114454138

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	Always back up everything before doing either, the simplest way to do this for most Mac users is simply to use Time Machine and initiate a backup manually.
http://www.w3.org/ns/prov#wasQuotedFrom	osxdaily.com