<http://webisa.webdatacommons.org/323197934>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/323197934>	<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/323197934> .
<http://webisa.webdatacommons.org/323197934>	<http://www.w3.org/ns/prov#value>	"Thus, the problem (6) actually has a closed-form solution, which is to solve B(Xt TXt+??tI)B??t=BXtyt where B is a diagonal matrix with some diagonal components possibly equal to 0." .