<http://webisa.webdatacommons.org/prov/227816484>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/165396112> .
<http://webisa.webdatacommons.org/prov/342058733>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/165396112> .
<http://webisa.webdatacommons.org/165396112>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/165396112>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lookstein.org> .
<http://webisa.webdatacommons.org/165396112>	<http://www.w3.org/ns/prov#value>	"features, including challenge-questions, footnotes and indices." .