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<http://webisa.webdatacommons.org/prov/298296604>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/388296775> .
<http://webisa.webdatacommons.org/388296775>	<http://www.w3.org/ns/prov#value>	"Teachers can use Bay Backpack to search by subject, location and grade level for books, lesson plans, curriculum guides and other materials to support their classroom studies." .