<http://webisa.webdatacommons.org/157791922>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/102790189>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157791922> .
<http://webisa.webdatacommons.org/157791922>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usc.edu> .
<http://webisa.webdatacommons.org/157791922>	<http://www.w3.org/ns/prov#value>	"A UNIX account is required to access the various network tools and resources such as e-mail and Ovid/Medline." .