Tagging is an extremely popular mechanism in many Web 2.0 applications to create metadata supporting search and retrieval of arbitrary multimedia information like digital images, video or audio. However, compared to the syndicated multimedia information itself, the metadata are still...

The temporal structure of multimedia content is an important aspect of the description of time-based media and needed in many applications. Expressive content description languages, such as MPEG-7, provide tools for describing the temporal decomposition of content into segments. Although the...

We present an innovative approach that treats the right management metadata as metric objects, enabling similarity search on IPR attributes between digital items. We show how the content base similarity search can help both the user to deal with a huge amount of similar items with different...

Along with the rapid increase of available multimedia data, comes the proliferation of objectionable content such as violence and pornography. We need effcient tools for automatically identifying, classifying and filltering out harmful or undesirable video content for the protection of sensitive...

This paper introduces a new model of personalized usage of the internet that is based on technologies of user representation, artificial intelligence and semantic augmentation of the content. By taking advantage of internet’s unprecedented dynamics, compared to traditional media, this user...

The Web 2.0 philosophy has brought new ways of using the web as a content repository and a sharing platform. Non-computer skilled people can now publish their own text, images, videos and/or sounds and take part in communities created around topics they like. Our idea is thus to use this new...

The concept of co-production was originally introduced by political science to explain citizen participation in the provision of public goods. The concept was quickly adopted in business research targeting the question how users could be voluntarily integrated into industrial production settings...

In this paper a novel form of online users, the “Online Crowds”, is described. “Online Crowds” gather virtually, behave and act collectively and produce effects and phenomena which would not be possible without the Internet [Hof 05]. A remarkable example is “The Million Dollar...

User generated content published via weblogs (also known as blogs) has gained importance in the last years, and the number of globally available weblogs increases. However, a large fraction of these show low publishing activity and are rarely read. This paper is a quantitative analysis of...