<http://webisa.webdatacommons.org/417524140>	<http://www.w3.org/ns/prov#value>	"In development are a number of tools and aids for instructors." .
<http://webisa.webdatacommons.org/417524140>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/prov/144224489>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417524140> .
<http://webisa.webdatacommons.org/417524140>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .