<http://webisa.webdatacommons.org/201157189>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/424772854>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201157189> .
<http://webisa.webdatacommons.org/prov/117137934>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201157189> .
<http://webisa.webdatacommons.org/201157189>	<http://www.w3.org/ns/prov#value>	"BACKGROUND ART [0003] The present invention provides an apparatus and method of measuring gas volume fraction in a process flow or fluid, such as slurries used in the paper and pulp industries and in other industries." .
<http://webisa.webdatacommons.org/201157189>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .