About: http://webisa.webdatacommons.org/211686800

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 positioning device of a prior art computer system may consist of a mouse or other cursor positioning device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com