<http://webisa.webdatacommons.org/prov/196942877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228615757> .
<http://webisa.webdatacommons.org/228615757>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/228615757>	<http://www.w3.org/ns/prov#value>	"It is a further object of the invention to allow the user to point to objects on a display screen with a precision matching the user's visual resolution as quickly and easily as if the user were using a conventional pointing device, such as a mouse." .
<http://webisa.webdatacommons.org/228615757>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .