About: http://webisa.webdatacommons.org/7959241

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 ceramic compounds of the transition metal or metals are preferably nitrides, carbides and oxides taken either singly or in combination, for example as carbonitrides, oxynitrides and other such compounds or mixtures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com