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<http://webisa.webdatacommons.org/prov/425854044>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19338301> .
<http://webisa.webdatacommons.org/19338301>	<http://www.w3.org/ns/prov#value>	"Post assignments, announcements, and other materials." .
<http://webisa.webdatacommons.org/19338301>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mcsk12.net> .