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<http://webisa.webdatacommons.org/prov/516219187>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270316645> .
<http://webisa.webdatacommons.org/270316645>	<http://www.w3.org/ns/prov#value>	" H ??? ) [0029] where v is a positive number and H is an arbitrary m x k matrix." .
<http://webisa.webdatacommons.org/270316645>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .