About: http://webisa.webdatacommons.org/199017712

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	For example, alkanes such as methane, ethane, propane, butane or other molecules with the formula CrH2r+2, where r is an integer, may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com