About: http://webisa.webdatacommons.org/51174342

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	The availability of different types of data varied across the hundreds of cities in the United States and Europe that the researchers considered.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org