About: http://webisa.webdatacommons.org/355653405

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	Generally, alpha-olefins having 2 to 8 carbon atoms, especially ethylene and butene, are preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com