About: http://webisa.webdatacommons.org/157532944

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 you want to subtract a number of days, ensure that the value you enter is a negative number (proceeded by a minus sign).
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com