About: http://webisa.webdatacommons.org/66867309

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	if it has a SIP-if-Match header, checks is there is a previous record for the same presentity;
http://www.w3.org/ns/prov#wasQuotedFrom	opensips.org