<http://webisa.webdatacommons.org/prov/121031361>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338552944> .
<http://webisa.webdatacommons.org/338552944>	<http://www.w3.org/ns/prov#value>	"This is preferably done using means such as a light pen, touch screen or a trackball." .
<http://webisa.webdatacommons.org/338552944>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/14426849>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338552944> .
<http://webisa.webdatacommons.org/338552944>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .