<http://webisa.webdatacommons.org/prov/516189422>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/433977597> .
<http://webisa.webdatacommons.org/433977597>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516191769>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/433977597> .
<http://webisa.webdatacommons.org/433977597>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<netlib.org> .
<http://webisa.webdatacommons.org/433977597>	<http://www.w3.org/ns/prov#value>	" A is an N-by-N symmetric matrix and X and B are N-by-NRHS" .