About: http://webisa.webdatacommons.org/236702731

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	atoms, more preferably 1 to 20 carbon atoms, particularly from 1 to 12 carbon atoms, e.g., methanes
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr