About: http://webisa.webdatacommons.org/155169970

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 portable viewer 160 also includes a keyboard 160, which includes both alphabetic and numeric keys, through which the user enters commands or other information.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com