About: http://webisa.webdatacommons.org/417519264

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	Another problem is that airborne particles such as smoke and dust particles are ionized and removed from the air by plating-out on room surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com