About: http://webisa.webdatacommons.org/435790125

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	has shown that young children need various kinds of activities and
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com