<http://webisa.webdatacommons.org/prov/409610085>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/142301662> .
<http://webisa.webdatacommons.org/142301662>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<niu.edu> .
<http://webisa.webdatacommons.org/142301662>	<http://www.w3.org/ns/prov#value>	"Everyone, including presenters, must register to attend the convention." .
<http://webisa.webdatacommons.org/142301662>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .