About: http://webisa.webdatacommons.org/338882914

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 pointing and handwriting devices commonly used as input devices for computers, such as mice, trackballs, touchpads, joysticks and pen tablets.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com