About: http://webisa.webdatacommons.org/438521401

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	y??? means any chemical, physical, biological, bacteriological, radiological, and other properties and characteristics of air. 5.16.
http://www.w3.org/ns/prov#wasQuotedFrom	narf.org