About: http://webisa.webdatacommons.org/19320979

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	Your link is a cookbook for creating a cluster of guest VMs running Windows, but there are other possible uses, all of a similar nature.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com