<http://webisa.webdatacommons.org/149187917>	<http://www.w3.org/ns/prov#value>	"An apparatus for processing a signal according to another embodiment of the present invention includes a value generating part generating a difference value using a group reference value corresponding to a plurality of data included in one group through grouping including first grouping and second grouping and the data and an outputting part transferring the generated difference value." .
<http://webisa.webdatacommons.org/149187917>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/375527135>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149187917> .
<http://webisa.webdatacommons.org/149187917>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .