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Workshop on the Competition: Impact, Organization, Evaluation, Benchmarks
  Jörg Hoffmann (Univ. of Freiburg, Germany) hoffmann@informatik.uni-freiburg.de
  Stefan Edelkamp (Univ. of Freiburg, Germany) stefan.edelkamp@cs.uni-dortmund.de
 
  This workshop bring together people interested in participating in, and discussing the future of, the international planning competition. The planning competition series undoubtedly has had a huge impact on the field of AI planning, including such aspects as growing standardization of complex planning domain description languages, dramatically improved scalability of existing approaches, and a growing database of commonly used benchmark examples. It is therefore important to provide an opportunity for discussing topics related to the competition.


 
 
 
Workshop on Planning under Uncertainty and Incomplete Information
  Marco Pistore (Univ. of Trento, Italy) pistore@dit.unitn.it
  Hector Geffner (Univ. Pompeu Fabra, Spain) hector.geffner@tecn.upf.es
  David E. Smith (NASA Ames Research Center, USA) de2smith@email.arc.nasa.gov
 
  Following the path of the IJCAI-01 workshop on ``Planning under Uncertainty and Incomplete Information'', the goal of this workshop is to bring together people working in different areas of planning under uncertain and incomplete information. The workshop aims to strengthen the empirical standards in the field, build connections between different approaches, and promote and disseminate test problems, applications, and techniques. The workshop collects contributions and presentations on all aspects of planning under uncertainty and incomplete information


 
 
 
Workshop on PDDL
  Derek Long (Univ. of Durham, UK) d.p.long@durham.ac.uk
  Drew McDermott (Yale Univ., USA) drew.mcdermott@yale.edu
  Sylvie Thiébaux (The Australian National Univ., Australia) thiebaux@cslws1.anu.edu.au
 
  PDDL has become a de facto standard language for describing planning domains, not only for the competition but more widely, as it offers an opportunity to carry out empirical evaluation of planning systems on a growing collection of generally adopted standard benchmark domains. The adoption of PDDL in this role is itself an issue for debate: perhaps a completely different modelling language is called for. We believe that it is therefore important to provide a forum in which the community can give feedback and present their ideas to the language designers, and in which the language designers can discuss their ideas for maintaining and extending, or even replacing the language. Enabling this discussion and debate is the objective of this one day workshop, while setting the stage for an ongoing discussion of the future development of PDDL and the standardisation process.


 
 
 
Workshop on Plan Execution
  Alex Coddington (Univ. of Durham, UK)  a.m.coddington@durham.ac.uk
 
  Much work in the planning community has focussed primarily upon developing efficient ways of generating plans that are not actually executed. This was reflected in the AIPS 2002 Planning Competition which measured the efficiency and optimality of plans that were generated, but not executed. As execution may not result in the intended outcome the sequence of actions that is eventually executed may not be as valuable as that in the original plan, which leads to the question as to whether it is necessary to generate plans that are near optimal. Researchers in the planning community are increasingly concerned with executing plans and the design of systems in which planning and execution are continually interleaved and actively managed. The aim of the workshop is to investigate issues and problems encountered in executing plans (in domains such as robotics, space applications, information gathering, etc.).


 
 
 
Workshop on Planning for Web Services
  Jose Luis Ambite (Information Sciences Institute, USA) ambite@isi.edu
  Craig Knoblock (Univ. of Southern California, USA) knoblock@isi.edu
Sheila McIlraith (Stanford Univ., USA) sam@ksl.stanford.edu
Mike P. Papazoglou (Tilburg Univ., NL)
M.P.Papazoglou@uvt.nl
Biplav Srivastava (IBM India Research Lab, India) sbiplav@in.ibm.com
Paolo Traverso (ITC-irst; Italy)
traverso@itc.it
 
 

Web services are revolutionizing the way industry and government operate. Web services both provide information (e.g. listing available flights) and change the world (e.g. buying a flight ticket). As the Web evolves into the Semantic Web, the myriad of available services are being described declaratively. machine-understandable descriptions enable the automatic discovery, use, and composition of web services. With the increased interest in the web services paradigm, composition of web services has become of primary portance. Several languages for describing web services and their composition are currently being defined and seek to become standards. The current leading proposals are the Web Service Description Language [WSDL 2001] and the Business Process Execution Language for Web Services [BPEL4WS 2002], an industry-developed flow language, and DAML Services [DAML-S 2001], a Semantic Web ontology for services eveloped under the DAML program. Some promising initial results on automatic web service composition are starting to appear [McIlraith 2002, Thakkar 2002], but a deeper and broader treatment of the planning aspects of web services is necessary. This workshop offers researchers on automated planning and scheduling with a forum for presenting results relevant to web services, identify new challenges, and lead the development of the critically important field of web services.