<http://webisa.webdatacommons.org/prov/212531050>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/41856479> .
<http://webisa.webdatacommons.org/41856479>	<http://www.w3.org/ns/prov#value>	"Using a pointing device, such as a mouse, one can indicate the region to be scanned by any number of methods, such as dragging out a rectangle 1720 on the video image." .
<http://webisa.webdatacommons.org/41856479>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/41856479>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .