About: http://webisa.webdatacommons.org/145006534

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Aerobic activities, such as walking, dancing, using an elliptical machine, using a rowing machine, and cycling on a stationary bike are fine for moderate sessions lasting no more than twenty to thirty minutes.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.net