About: http://webisa.webdatacommons.org/115844139

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	two news types of periods, which are the system time (SYSTEM_TIME) period and the business time (BUSINESS_TIME) period.
http://www.w3.org/ns/prov#wasQuotedFrom	ruban.de