About: http://webisa.webdatacommons.org/127702955

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	conventional luminescent center doping is typically either manganese (Mn) or europium (Eu), but can include such materials as samarium (Sm), terbium (Tb), cerium (Ce), and praseodymium (Pr).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com