About: http://webisa.webdatacommons.org/424912909

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	Define polygons for each of the states and do some sort of calculation to determine in which polygon a lat/lon pair lies.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com