About: http://webisa.webdatacommons.org/257174365

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	In operation, a user (not shown) of system 10 uses one of the portable computers 20, 30, or 40 to generate data such as characters, display control messages, or drawings.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com