<http://webisa.webdatacommons.org/173685627>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/389705049>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173685627> .
<http://webisa.webdatacommons.org/173685627>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/173685627>	<http://www.w3.org/ns/prov#value>	"The last button 146 is used as the help button and other buttons are self descriptive." .