About: http://webisa.webdatacommons.org/137102772

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	In FIG. 16B, A1,2 is an example of such a dead node, which could be recognized as such by an attacker and discarded.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es