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21 Multimedia, Broadcasting, and Eculture 21.1 Introduction 21.2 Scientific and Technical Overview 21.2.1 Multimedia Semantics: Vocabularies and Tools 21.2.1.1 Multimedia Vocabularies on the Semantic Web

This chapter turns to the application of semantic technologies to areas where text is not dominant, but rather audiovisual content in the form of images, 3D objects, audio, and video/television. Non-textual digital content raises new challenges for semantic technology in terms of capturing the meaning of that content and expressing it in the form of semantic annotation. Where such annotations are available in combination with expressive ontologies describing the target domain, such as television and cultural heritage, new and exciting possibilities arise for multimedia applications.