About: http://webisa.webdatacommons.org/370499759

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	Polling organizations such as Gallup typically use a sample of 1,000 voters nationally to follow electoral trends.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com