<http://webisa.webdatacommons.org/prov/482031184>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/405159133> .
<http://webisa.webdatacommons.org/405159133>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/405159133>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<authorstream.com> .
<http://webisa.webdatacommons.org/405159133>	<http://www.w3.org/ns/prov#value>	"A protocol stack is a system that implements protocol behavior using a series of layers." .