About: http://webisa.webdatacommons.org/341673318

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	Such pointer is known as dangling pointer and this problem is known as dangling pointer problem.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com