<http://webisa.webdatacommons.org/prov/456047729>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/175272263> .
<http://webisa.webdatacommons.org/175272263>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/175272263>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/175272263>	<http://www.w3.org/ns/prov#value>	"PATH is an environment variable, which all applications (not just shell) look up to invoke a program by name." .