About: http://webisa.webdatacommons.org/355026458

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	Probably .gz, just download winrar from http://www.rarlabs.com and use that to open the file, there is an option in the winrar menu to test the archive file (i.e. verify contents)
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.org