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<http://webisa.webdatacommons.org/prov/107108010>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/384441448> .
<http://webisa.webdatacommons.org/384441448>	<http://www.w3.org/ns/prov#value>	"It is within the scope of the present invention as presently perceived to use a RF, ultrasonic or other suitable system for detecting the presence of a caregiver in contamination zones, patient rooms, or by sink 102." .
<http://webisa.webdatacommons.org/384441448>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .