About: http://webisa.webdatacommons.org/453882402

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	Unfortunately, you may not be able to determine whether your files are okay or if they are corrupt, unless you have a recent list of checksums or existing backup to compare them against.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com