About: http://webisa.webdatacommons.org/453810600

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	In the time-series charts the vertical line at 2006 highlights a combination including the data source
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com