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You are in: Contents/ Workshops
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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.
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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
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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.
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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.).
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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.
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