Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework Laboratory of Distributed Multimedia Information Systems & Applications (TUC/MUSIC) Department of Electronics and Computer Engineering Technical University of Crete Chrisa Tsinaraki

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 2 Presentation Overview  The DS-MIRF Framework  DS-MIRF Ontological Infrastructure Typed Relation Ontology  Upper – Application – Domain Ontology Interplay  Requirements Covered  OWL – MPEG-7/21 Interoperation

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 3 The DS-MIRF Framework Annotator Multimedia Annotation Interface OWL/RDF Description Extended MPEG- 7/21 Metadata Descriptions Standard MPEG- 7/21 Metadata Descriptions Transformation Rules 1 Transformation Rules 2 Application Interface DS-MIRF MPEG- 7/21 Metadata Repository Application Interface User DS-MIRF Ontological Infrastructure Upper Ontology Domain Ontologies Application Ontologies User

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 4 DS-MIRF Ontological Infrastructure

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 5 Typed Relation Ontology

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 6 Upper – Application – Domain Ontology Interplay PlayerObject ScoredByRelation Relation rdfs:subpropertyOf ScoresRelation owl:inverseOf Goal AgentRelationTypeAgentOfRelationType inverseinverse

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 7 Requirements Covered  Alignment with the MPEG-7/21 Standards  Modularization Interlinking of the DS-MIRF Ontologies  Rich enough to describe MM Content

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 8 OWL – MPEG-7/21 Interoperation  Transformations from OWL/RDF to MPEG-7/21 OWL Domain Ontology Transformation into MPEG- 7/21 Abstract Semantic Entity Hierarchies OWL Domain Ontology Transformation into MPEG- 7/21 Abstract Semantic Entity Hierarchies OWL/RDF Metadata (Individual) Transformation into MPEG-7/21 Metadata Descriptions OWL/RDF Metadata (Individual) Transformation into MPEG-7/21 Metadata Descriptions  Utilization of a Reconstruction Ontology to produce valid MPEG-7/XML Descriptions Datatype Property Origins Sequence Element Ordering Default Values

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 9 OWL Ontology – MPEG-7 Abstract Hierarchy Transformations AgentObjectTypeEventType SemanticBaseType … GoalkeeperObject PlayerObject subClassOf OWLMPEG-7 AgentObjectTypeEventType SemanticBaseType … extension PlayerObject instance Goalkeeper Object instance specializes generalizes Back

Multimedia Ontology SAMT 06 Integration of Domain & Application Knowledge in MPEG-7/21 in the DS-MIRF Framework 10 OWL Individuals – MPEG-7 Description Transformations EventType SemanticBaseType … PlayerObject subClassOf OWLMPEG-7 AgentObjectTypeEventType SemanticBaseType … extension PlayerObject instance Ronaldinho belongs Ronaldinho exemplifiedBy exemplifies instance Back AgentObjectType