The computational complexity of propositional STRIPS planning
Artificial Intelligence
Fast planning through planning graph analysis
Artificial Intelligence
Prolog (3rd ed.): programming for artificial intelligence
Prolog (3rd ed.): programming for artificial intelligence
Adaptation in Distributed Multimedia Systems
IEEE MultiMedia
MPGS: An Interactive Tool for the Specification and Generation of Multimedia Presentations
IEEE Transactions on Knowledge and Data Engineering
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
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
MPEG-21: Goals and Achievements
IEEE MultiMedia
PDDL2.1: an extension to PDDL for expressing temporal planning domains
Journal of Artificial Intelligence Research
Faster heuristic search algorithms for planning with uncertainty and full feedback
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
Digital item adaptation: overview of standardization and research activities
IEEE Transactions on Multimedia
Realizing multimedia processes by combining intelligent content and semantic web services
Proceedings of the 15th international conference on Multimedia
An MPEG-21-driven utility-based multimedia adaptation decision taking web service
Proceedings of the 1st international conference on Ambient media and systems
DCAF: An MPEG-21 Dynamic Content Adaptation Framework
Multimedia Tools and Applications
Device and service descriptions for ontology-based ubiquitous multimedia services
Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
CAIN-21: An Extensible and Metadata-Driven Multimedia Adaptation Engine in the MPEG-21 Framework
SAMT '09 Proceedings of the 4th International Conference on Semantic and Digital Media Technologies: Semantic Multimedia
PAAM: a web services oriented architecture for the adaptation of composed multimedia documents
PDCN '08 Proceedings of the IASTED International Conference on Parallel and Distributed Computing and Networks
AMR'06 Proceedings of the 4th international conference on Adaptive multimedia retrieval: user, context, and feedback
DELOS'07 Proceedings of the 1st international conference on Digital libraries: research and development
A similarity measure for the negotiation in web services
Multimedia Tools and Applications
Selection algorithm for multimedia adaptation mechanisms in ubiquitous service environments
Proceedings of the 12th International Conference on Information Integration and Web-based Applications & Services
Exception handling in web service processes
The evolution of conceptual modeling
Semantic adaptation of multimedia documents
Multimedia Tools and Applications
Bounded non-deterministic planning for multimedia adaptation
Applied Intelligence
AMR'08 Proceedings of the 6th international conference on Adaptive Multimedia Retrieval: identifying, Summarizing, and Recommending Image and Music
Multimedia Tools and Applications
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Personalized delivery of multimedia content over the Internet opens new business perspectives for future multimedia applications and thus plays an important role in the ongoing MPEG-7 and MPEG-21 multimedia standardization efforts. Based on these standards, next-generation multimedia services will be able to automatically prepare the digital content before delivery according to the client's device capabilities, the network conditions, or even the user's content preferences. However, these services will have to deal with a variety of different end user devices, media formats, as well as with additional metadata when adapting the original media resources. In parallel, an increasing number of commercial or open-source media transformation tools will be available, capable of exploiting such descriptive metadata or dealing with new media formats; thus it is not realistic that a single tool will support all possible transformations.In this paper, we present a novel, fully knowledge-based approach for building such multimedia adaptation services, addressing the above mentioned issues of openness, extensibility, and concordance with existing and upcoming standards. In our approach, the original media is transformed in multiple adaptation steps performed by an extensible set of external tools, where the construction of adequate adaptation sequences is solved in an Artificial Intelligence planning process. The interoperability issue is addressed by exploiting standardizedSemantic Web Services technology. This technology allows us to express tool capabilities and execution semantics in a declarative and well-defined form. In this context, existing multimedia standards serve as a shared domain ontology.The presented approach was implemented and successfully evaluated in an official ISO/IEC MPEG (Moving Picture Experts Group) Core Experiment and is currently under further evaluation by the standardization body.