Affiliation:
1. Hellenic Open University, Greece
Abstract
Copyright protection is becoming an important issue for organizations that create, use, and distribute digital content through e-commerce channels. As online corruption increases, new technical and business requirements are posed for protecting Intellectual Property Rights, such as watermarking, use of metadata, self-protection, and self-authentication. This chapter gives a review of the most important of these methods and analyses of their potential use in Digital Rights Management systems. We focus especially on watermarking, and argue that it has a true potential in e-business because it is possible to embed and detect multiple watermarks to a single digital artifact without decreasing its quality. In conjunction with parallel linking of content to metadata there is true potential for real life copyright-protection systems. Furthermore we attack the problem of DRM systems’ interoperability with Distributed License Catalogues (DLCs). The DLC concept, borrowed from Web engineering, makes available (‘advertises’) content or services concerning DRM functionalities, enabling multiparty DRM eco-systems.
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