About: http://webisa.webdatacommons.org/309404401

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	When the material is a metal, the surface electromagnetic wave is a plasmon; when it is nonmetallic, the wave is a polariton.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com