ramm.x (RDFa-deployed Multimedia Metadata) is an initiative to deploy multimedia metadata on the Semantic Web using RDFa. Many multimedia metadata formats (as ID3, Exif, MPEG-7, etc.) are available to describe, on various levels, what a multimedia asset is about, who has produced it and so on. With the dissemination of User Generated Content, a need for deploying these metadata in (conventional) HTML pages found in blogs, wikis and so forth arises. To enable the deployment of multimedia metadata on the Web 3.0, one valid approach is to use the RDF data model for a generic deployment (description) of an arbitrary multimedia metadata format. The step of RDFizing is called 'formalisation'. To actually deliver the metadata along with the content being served, a new W3C Semantic Web standard, R