About: http://webisa.webdatacommons.org/15438799

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	The optical medium according to claim 3 wherein P is a group selected from the class consisting of phenyl, pyrenyl, naphthyl, perylenyl, carbazolyl, and fluorenyl groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com