<http://webisa.webdatacommons.org/prov/182997534>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149207730> .
<http://webisa.webdatacommons.org/149207730>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149207730>	<http://www.w3.org/ns/prov#value>	"In hard wired embodiments, power may be supplied by the computer or other apparatus to which the trackball pointing device 100 is attached." .
<http://webisa.webdatacommons.org/149207730>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .