<http://webisa.webdatacommons.org/180462590> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/266379526> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/180462590> . <http://webisa.webdatacommons.org/180462590> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.co.uk> . <http://webisa.webdatacommons.org/180462590> <http://www.w3.org/ns/prov#value> "The present invention relates to a digital information embedding/extracting apparatus and method, and a medium including a program for executing the method recorded thereon." . <http://webisa.webdatacommons.org/prov/267716951> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/180462590> .