About: http://webisa.webdatacommons.org/120579351

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	In particular, since an EL material easily gets deteriorated by an impurity such as oxygen and water, it is useful to heat in vacuum prior to deposition.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com