<http://webisa.webdatacommons.org/prov/369605540>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/123294308> .
<http://webisa.webdatacommons.org/123294308>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/123294308>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/122527758>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/123294308> .
<http://webisa.webdatacommons.org/123294308>	<http://www.w3.org/ns/prov#value>	"As disclosed in the Barken Patent, the physician may interact with the computer by a light pen, mouse, pointing device or other means for designating a portion of the displayed ultrasonic image to delimit the unwanted tissue area." .