<http://webisa.webdatacommons.org/20691921>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/prov/463932608>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/20691921> .
<http://webisa.webdatacommons.org/20691921>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/20691921>	<http://www.w3.org/ns/prov#value>	"FIG. 4a is a schematic cross sectional view taken on line A-A' of a photodetecting section shown in FIG. 3;" .