<http://webisa.webdatacommons.org/prov/513286372> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/248206604> . <http://webisa.webdatacommons.org/248206604> <http://www.w3.org/ns/prov#value> "At the grassroots level, teachers and other organizations would being a National Lab Day to reach 10 million young people with hand-on learning and get their hands dirty, Obama said." . <http://webisa.webdatacommons.org/248206604> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/248206604> <http://www.w3.org/ns/prov#wasQuotedFrom> <upi.com> .