About: http://webisa.webdatacommons.org/274620349

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	time or sequence of time periods are a means to the comparative study of trends
http://www.w3.org/ns/prov#wasQuotedFrom	ncdcr.gov