About: http://webisa.webdatacommons.org/281165751

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	These materials include, for example, Si, Ge, SiGe, GaP, GaAs, InP, InAs, InSb, ZnS, PbS, PbSe, PbTe, and other semiconductor materials, as well as their counterparts doped with a rare-earth or transition metal ions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com