<http://webisa.webdatacommons.org/223129715>	<http://www.w3.org/ns/prov#value>	"Many Mac users have iPod, PSP and other portable devices, but they can only enjoy songs and videos from iTunes or buy them from internet, because there is seldom nice Mac DVD and Video covnerter for iPod, PSP and other devices." .
<http://webisa.webdatacommons.org/prov/211537959>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/223129715> .
<http://webisa.webdatacommons.org/prov/309074235>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/223129715> .
<http://webisa.webdatacommons.org/223129715>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/223129715>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<head-fi.org> .