About: http://webisa.webdatacommons.org/450763413

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	Martial arts such as karate, kickboxing and tai chi are self-defense techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	medcentral.org