About: http://webisa.webdatacommons.org/429211428

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	???Graphene, which is one of the crystalline forms of carbon, was only relatively recently discovered in 2004.
http://www.w3.org/ns/prov#wasQuotedFrom	nanowerk.com