About: http://webisa.webdatacommons.org/277656249

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	We want to check our condition when viewing nodes, so hook_node_view is a good choice.
http://www.w3.org/ns/prov#wasQuotedFrom	dtek.net