About: http://webisa.webdatacommons.org/449010148

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	Have a look at this:Spam and Vista - a good introduction to Spam is in LRB.And, if you have not seen this yet, here is a rabbit that will not take it any more.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com