<http://webisa.webdatacommons.org/293187875>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/prov/287328743>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/293187875> .
<http://webisa.webdatacommons.org/293187875>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/293187875>	<http://www.w3.org/ns/prov#value>	"Framework was used by self and other developers to develop several independent data extraction systems." .