<http://webisa.webdatacommons.org/prov/54798215>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/86454324> .
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<http://webisa.webdatacommons.org/86454324>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/86454324>	<http://www.w3.org/ns/prov#value>	"where all symbols are matrices, except b is a vector. matrices linear-algebra share|improve this question asked Nov 5 '12 at 11:24" .