<http://webisa.webdatacommons.org/149304095>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149304095>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<agilemodeling.com> .
<http://webisa.webdatacommons.org/149304095>	<http://www.w3.org/ns/prov#value>	"An activity invariant is a condition that is always true" .
<http://webisa.webdatacommons.org/prov/185387042>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149304095> .