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<http://webisa.webdatacommons.org/136522634>	<http://www.w3.org/ns/prov#value>	"U.S. Pat. No. 32,632, a track ball, joy stick or other device for selectively positioning a cursor 44 on a display screen 68 of the display 40." .
<http://webisa.webdatacommons.org/prov/162281426>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/136522634> .
<http://webisa.webdatacommons.org/136522634>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .