<http://schema.org/activityDuration>	<http://www.w3.org/2000/01/rdf-schema#label>	"activity duration" .
<http://schema.org/activityDuration>	<http://www.w3.org/2000/01/rdf-schema#comment>	"Length of time to engage in the activity." .
<http://schema.org/activityDuration>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#DatatypeProperty> .
<http://schema.org/activityDuration>	<http://www.w3.org/2000/01/rdf-schema#domain>	<http://schema.org/ExercisePlan> .
<http://schema.org/activityDuration>	<http://www.w3.org/2000/01/rdf-schema#range>	<http://www.w3.org/2001/XMLSchema#duration> .