Effective acquisition, organization, processing, sharing, and use of the knowledge embedded in textual and multimedia content as well as in information- and knowledge-based work processes supporting Knowledge Value Chain (KVC) processes play a major role for competitiveness in the modern information society and for the emerging knowledge economy. However, this wealth of knowledge implicitly conveyed in the vast amount of available digital content is nowadays only accessible, if considerable manual effort has been invested into its interpretation and semantic annotation, which is possible only for a small fraction of the available content.

VIKEF bridges the gapbetween the partly implicit knowledge and information conveyed in scientific and business content resources (e.g. text, speech, images) and the explicit representation of knowledge required for a targeted and effective access, dissemination, sharing, use, and annotation of ICK resources by scientific and business communities and their information- and knowledge-based work processes.

R&D within VIKEF builds on and significantly extends the current Semantic Web efforts by addressing crucial operationalisation and application challenges in building up real-world semantically enriched virtual information and knowledge environments.

VIKEF tackles challenges like:

• How to (semi-)automatically build up the tailored ontologies required for semantic annotation from textual and multimedia application content

• How to efficiently link vast amounts of ICK resources to these ontologies

• How to reuse this semantic information to gain added value within KVC applications

• How to consistently handle content-, community, and domain-driven evolution in such environments

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