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<http://webisa.webdatacommons.org/prov/30144132>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/109884755> .
<http://webisa.webdatacommons.org/109884755>	<http://www.w3.org/ns/prov#value>	"FIG. 3a is a symbolic diagram of a general type of further signal processing." .