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<http://webisa.webdatacommons.org/prov/254043252>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/196326938> .
<http://webisa.webdatacommons.org/196326938>	<http://www.w3.org/ns/prov#value>	"In a typical operation, the host ???follows??? the controller or other network device around the ring leaving ???empty??? descriptors in its wake for the controller to use." .
<http://webisa.webdatacommons.org/196326938>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .