<http://webisa.webdatacommons.org/405596048>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/300922411>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/405596048> .
<http://webisa.webdatacommons.org/prov/215044880>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/405596048> .
<http://webisa.webdatacommons.org/405596048>	<http://www.w3.org/ns/prov#value>	"The user is first prompted to define the lower boundary by holding an object, such as a ball, bat or a hand, at the lower boundary." .
<http://webisa.webdatacommons.org/405596048>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .