Fast planning through planning graph analysis
Artificial Intelligence
PROLOG Programming for Artificial Intelligence
PROLOG Programming for Artificial Intelligence
IEEE Intelligent Systems
Architecture of a quality based intelligent proxy (QBIX) for MPEG-4 videos
WWW '03 Proceedings of the 12th international conference on World Wide Web
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
OREL: an ontology-based rights expression language
Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters
Region-based image retrieval using an object ontology and relevance feedback
EURASIP Journal on Applied Signal Processing
The 3rd international planning competition: results and analysis
Journal of Artificial Intelligence Research
Bringing semantics to web services: the OWL-S approach
SWSWPC'04 Proceedings of the First international conference on Semantic Web Services and Web Process Composition
The MPEG-21 rights expression language and rights data dictionary
IEEE Transactions on Multimedia
Digital item adaptation: overview of standardization and research activities
IEEE Transactions on Multimedia
DCAF: An MPEG-21 Dynamic Content Adaptation Framework
Multimedia Tools and Applications
DELOS'07 Proceedings of the 1st international conference on Digital libraries: research and development
A model for preference-driven multimedia adaptation decision-making in the MPEG-21 framework
Multimedia Tools and Applications
Exception handling in web service processes
The evolution of conceptual modeling
Community aware content adaptation for mobile technology enhanced learning
EC-TEL'06 Proceedings of the First European conference on Technology Enhanced Learning: innovative Approaches for Learning and Knowledge Sharing
Semantic Mastering: content adaptation in the creative drama production workflow
Multimedia Tools and Applications
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Intelligent, server-side adaptation of multimedia resources is becoming increasingly important and challenging for two reasons. First, the market continuously brings up new mobile end-user devices to which the content has to be adapted as these devices support different display formats and operate on various types of networks. On the other hand, with the help of metadata annotations which are now available in the MPEG-7 and MPEG-21 standard, advanced forms of resource adaptations on the content level become possible. As none of the existing multimedia transformation tools and libraries can support all these different forms of basic and advanced adaptation operations, an intelligent multimedia adaptation server has to integrate such external tools and algorithms and perform an adequate sequence of adaptation operations on the original resource before sending it to the client. In this paper we present the results of the ISO/IEC MPEG core experiment on using Semantic Web Services technology as a tool for declaratively describing the semantics of adaptation services and constructing multi-step adaptation sequences in an open and extensible multimedia adaptation framework. We show how the semantics of adaptation operations can be captured in the form of input, output, precondition, and effects, how the problem of finding adequate adaptation sequences can be viewed as an Artificial Intelligence planning problem, and finally, how the existing MPEG standards are technically integrated into the service descriptions and how they serve as the shared ontology of the domain. Our approach both introduces declarative, knowledge-based technology into the involved multimedia communities and on the other hand broadens the application scope of Semantic Web Service technology in the area of general semantic service descriptions and automated program construction.