<http://webisa.webdatacommons.org/prov/30070807>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/189428485> .
<http://webisa.webdatacommons.org/189428485>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/189428485>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/189428485>	<http://www.w3.org/ns/prov#value>	"FIG. 7A is a schematic drawing for describing another ??? wave plate, according to an embodiment of the present invention;" .