This is the presentation of a joined research paper written by the W3C Media Annotations Working Group. The paper presents and compares different approaches to map metadata formats using semantic web technologies.

1. How to Align Media Metadata Schemas? Design and Implementation of the Media Ontology Florian Stegmaier, Werner Bailer, Tobias Bürger, Mario Döller, Martin Höffernig, Wonsuk Lee, Véronique Malaisé, Chris Poppe , Raphaël Troncy, Harald Kosch and Rik Van de Walle

2. Context How to Align Media Metadata Schemas? Chris Poppe December 2 nd 2009, SeMuDate09, Graz, Austria Interoperability issues EXIF MPEG-7 DC

5. Mapping of Metadata Standards MA Ontology How to Align Media Metadata Schemas? Chris Poppe December 2 nd 2009, SeMuDate09, Graz, Austria MA properties API (Web Interface Definition Language) MPEG-7 Dublin Core EBUCORE EXIF … MEDIARDF MA mapping (expressed as mapping table) This paper compares different ways of implementing the MA mapping using semantic web technologies

12. Format Independent Ontology MeonOntology How to Align Media Metadata Schemas? Chris Poppe December 2 nd 2009, SeMuDate09, Graz, Austria contains cc1 resolution lines columns AtomicConcept CompoundConcept Concept instanceOf instanceOf defines defines defines defines

14. Format Independent Ontology EBUCORE Ontology MeonOntology How to Align Media Metadata Schemas? Chris Poppe December 2 nd 2009, SeMuDate09, Graz, Austria cc1 MA Ontology ma:frameSize ebu:formatHeight1 ebu:formatWidth1 resolution lines columns relation relation relation

16. Format Dependent Metadata Ontology How to Align Media Metadata Schemas? Chris Poppe December 2 nd 2009, SeMuDate09, Graz, Austria MAWGMetadataProperty_01 MAWGMetadataProperty StandardMetadataProperty MetadataPropertyRelation propertyName “ ma:title” StandardMetadataProperty_01 propertyName “ dc:title” metadataName “ http: // purl . org /dc/ elements /1.1/ ” MetadataPropertyRelation_01 relationSemantic “ exact”