metadata compatibility beyond Exif. See also IPTC Information Interchange Model Resource Description Framework (RDF) Astronomy Visualization Metadata (AVM) Exchangeable Image File Format (Exif) References External links Adobe XMP Main Page XMP Specification XMP Information on coverpages.org Creative Commons XMP Recommendation Metadata section in the PDF 1.6 Language Reference IPTC4XMP (IPTC Core) standard Metadata Working Group provides guidance on metadata interoperability ISO standards Digital photography Metadata Open formats