About: http://webisa.webdatacommons.org/178699410

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 control of industrial and other environments increasingly requires ongoing knowledge of the quantities of airborne particles in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com