<http://webisa.webdatacommons.org/258101312>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/258101312>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/54798215>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258101312> .
<http://webisa.webdatacommons.org/258101312>	<http://www.w3.org/ns/prov#value>	"B is a 2???2 matrix, and the elements of B are:" .