<http://webisa.webdatacommons.org/311000878>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/205519630>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/311000878> .
<http://webisa.webdatacommons.org/prov/165812747>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/311000878> .
<http://webisa.webdatacommons.org/311000878>	<http://www.w3.org/ns/prov#value>	"That is, by combining the means for indicating the area such as color, sound and step, and indicating the receivable area in plural divided sections, the user of the portable electronic device 610 can easily recognize the graceful degradation." .
<http://webisa.webdatacommons.org/311000878>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .