About: http://webisa.webdatacommons.org/29992374

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	Particularly preferred are those which will change shape and/or refractive index under changes in environmental conditions and/or when a stimulus such as an electric or magnetic field is applied.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au