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== Summary & Background==
The PBCore RDF Ontology Hackathon is occurring out of a growing need for PBCore users to express their metadata in RDF. A number of PBCore users contribute to and are part of the [http://projecthydra.org/ Project Hydra] community, a collaborative, open source effort to build digital repository software solutions at archives institutions. Hydra is built on a framework that uses Fedora Commons as the repository for storing metadata. Many users are seeking to update their Fedora repositories to the latest version (Fedora 4), which requires that metadata be stored in provides a great opportunity to develop an RDFdata structure. This is where the need for a If PBCore had an RDF ontology comes , it would be easier for PBCore users to take full advantage of Fedora 4 capabilities inmanaging data and encourage adoption of Fedora 4.
<br>[http://www.pbcore.org PBCore] is a metadata schema for audiovisual materials. Its original development in 2004 was funded by the Corporation for Public Broadcasting, with a goal of creating a metadata standard for public broadcasters to share information about their video and audio assets within and among public media stations. Since its conception, PBCore has been adopted by a growing number of audiovisual archives and organizations that needed a way to describe their archival audiovisual collections. The schema has been reviewed multiple times and is currently in further development via the [http://www.americanarchive.org American Archive of Public Broadcasting] and the [http://amianet.org/ Association of Moving Image Archivists (AMIA)] PBCore Advisory Subcommittee.
