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<http://webisa.webdatacommons.org/prov/103693817>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/408796628> .
<http://webisa.webdatacommons.org/408796628>	<http://www.w3.org/ns/prov#value>	"Button is a subclass of View, which" .
<http://webisa.webdatacommons.org/408796628>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .