<http://webisa.webdatacommons.org/249840064>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<physicsforums.com> .
<http://webisa.webdatacommons.org/prov/324062746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/249840064> .
<http://webisa.webdatacommons.org/249840064>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/249840064>	<http://www.w3.org/ns/prov#value>	"DCT is mainly used in block based application, such as MPEG." .