<http://webisa.webdatacommons.org/280535304>	<http://www.w3.org/ns/prov#value>	"equations so here is a list of some of the more common quadric surfaces." .
<http://webisa.webdatacommons.org/prov/376829263>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/280535304> .
<http://webisa.webdatacommons.org/280535304>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/280535304>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .