About: http://webisa.webdatacommons.org/253974322

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	However, an incremental backup can only be performed when there is an already existing backup stored on a particular host computer, such as one depicted in FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com