<http://webisa.webdatacommons.org/270457689>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/270457689>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/457810054>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270457689> .
<http://webisa.webdatacommons.org/270457689>	<http://www.w3.org/ns/prov#value>	"Some teachers calculate grades by total points, and others use categories such as tests, quizzes homework, daily work to organize and give different weights to grades; how teachers weight grades is an individual decision." .