This paper presents and integrated view of personalized information spaces. The topics that are described cover different dimensions of describing, customizing, reusing and presenting multimedia content. In order to have personalized multimedia content the systems should provide the ability to access it when and where it is necessary, in a way that is appropriate for each specific user. The paper describes several multimedia information processing and visualization systems that explore these concepts. More specifically, the applications and systems include annotation tools for describing and enhancing multimedia content, personalization and customization techniques, and tools for anytime, anywhere access to multimedia information. The examples of information access are an augmented reality system and applications for mobile devices, representing two of the dominant and convergent trends in ubiquitous computing.
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