About: http://webisa.webdatacommons.org/435052437

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	You get this when the address is already in use. (Oh, you figured that much out?) The most common reason for this is that you have stopped your server, and then re-started it right away.
http://www.w3.org/ns/prov#wasQuotedFrom	ntua.gr