<http://webisa.webdatacommons.org/prov/446546970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/42857889> .
<http://webisa.webdatacommons.org/42857889>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/42857889>	<http://www.w3.org/ns/prov#value>	"10 SIGNALS AND SYSTEMS [CHAP. 1 is an important example of a complex signal." .
<http://webisa.webdatacommons.org/42857889>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .