About: http://webisa.webdatacommons.org/180887633

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	These reactions produce byproducts such as carbon monoxide (CO), unburned hydrocarbons (UHC), and nitrogen oxides (NOX) (e.g., nitric oxide (NO) and nitrogen dioxide (NO2)).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com