<http://webisa.webdatacommons.org/prov/47289911> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/108840692> . <http://webisa.webdatacommons.org/108840692> <http://www.w3.org/ns/prov#wasQuotedFrom> <patentgenius.com> . <http://webisa.webdatacommons.org/108840692> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/108840692> <http://www.w3.org/ns/prov#value> "Additionally, the function block may be constituted only by software such as program, etc.Further, in the AV/C, logical input/output port for carrying out input/output of data is expressed as the concept called plug." .