About: http://webisa.webdatacommons.org/422845258

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 tongue has an upraised receiver on a top surface thereof for engaging a central aperture of a compact disc or other recording medium or similar, preferably round flat object.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com