About: http://webisa.webdatacommons.org/405480487

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	This invention relates to user interface devices for use with a computer, and in particular to computer mice, trackballs, touchpads, multiple-parameter pointing and data entry devices, and user interface metaphors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com