About: http://webisa.webdatacommons.org/19406151

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	For example, such materials as titanium dioxide, silica, or glass beads may be added to enhance optical properties or impart graininess.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com