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CALL FOR PAPERS
AAAI-2002 WORKSHOP ON
PREFERENCES in AI and CP: symbolic approaches
The topic of preferences is gaining more and more attention in
diverse areas of AI such as nonmonotonic reasoning, qualitative
decision theory, soft constraints, configuration, and AI planning.
As described in the article of Jon Doyle and Richmond Thomason
about qualitative decision theory (AI Magazine, 1999), AI provides
qualitative methods for treating preferences that can improve or
complement numerical methods for treating preferences from classical
decision theory. (Qualitative) preferences have also been essential
in treating conflicting information in nonmonotonic reasoning,
inheritance of defaults, temporal reasoning, diagnosis, and other
areas in knowledge representation and reasoning. More recently,
preferences have also been used in constraint satisfaction and
constraint programming for treating soft constraint, for describing
search heuristics, and for reducing search effort.
It appears that preference is a concept that complements the concept
of a constraint and that provides an AI counterpart to the notion of
an objective used in operations research. Preferences allow to treat
conflicting information and to choose the interesting alternatives
- most-specific default rules in a taxonomy
- preferred choices of the user in web-based configuration
- scheduling activities at preferred start dates
In contrast to hard constraints, preferences are not eliminating
the non-selected alternatives, which may become interesting if
additional information is added.
AI permits complex preference representations (e.g. based on logic
or constraints) and allows to reason with and about preferences.
Thus, it gives a perspective for formalizing information that was
never adequately formalized before, but which is essential for all
domains of our social life ranging from daily decision making (e.g.
which products to buy? which articles to read?) up to legal
reasoning (which law takes priority over which other) and scientific
debates (which hypotheses best explains the given phenomena). Hence,
preferences are of crucial importance in the design and development
of intelligent systems such as such as web-based configurator,
configuration of alerting and filtering systems, temporal reasoning
and scheduling systems, and robot planners and behavior systems.
Although several approaches for treating preferences have been
developed in AI, the mathematical formulations as well as the
applications of the preferences are often quite different.
The time is ripe to
- exchange information and experiences about the different
- understand which approach is best suited for which problem
- compare the different approaches
- study the gaps between different approaches
(which can lead to new approaches)
- discuss algorithms for preference handling and present
- identify challenging issues for future research on
The purpose of this workshop is to bring researchers from different
areas together and to provide a forum for addressing these questions.
It is interesting for all AI and CP researchers on (symbolic or
qualitative) approaches to preferences, e.g. the participants of
recent events on related topics such as the AAAI Spring Symposium on
Qualitative Preferences in Deliberation and Practical Reasoning
(1997), the workshops on soft constraints at CP, and the workshops
on non-monotonic reasoning.
The workshop is organized as part of the Eighteenth National
Conference on Artificial Intelligence (AAAI-2002), which will be
held from July 28 to August 1, 2002 in Edmonton, Alberta, Canada.
Please consult the AAAI-2002 web page for further information:
LIST OF TOPICS
The workshop is intended to be a forum to exchange ideas and results
about theory and applications of (symbolic or qualitative approaches
to) preferences, including, but not limited to, the following topics:
- preferences in qualitative decision theory
- preferences in non-monotonic reasoning
- preferences in logic programming
- preferences for soft constraints
- preferences for search and optimization
- preferences for AI planning
- preferences reasoning about action and causality
- preference logic
- preference representations (e.g., graphical models)
- acquisition and learning of preferences
- preference elicitation
- revision of preferences
- comparison of approaches
- applications of preferences.
The workshop will be a one day event consisting of an invited talk,
technical sessions including paper presentations and panel
discussions, as well as a final discussion.
Participation is limited to authors of accepted papers and invited
researchers interested in the topic of preferences (max. 50
participants). Please send a statement of interest in participation
We solicit electronic submissions of papers of 5 to 8 pages
formatted using the standard AAAI guidelines (two-column format).
Please consult following web pages for further information on AAAI
formatting instructions and templates:
Please send your submission in form of a pdf or Postscript file to
firstname.lastname@example.org. Alternatively, you can also send an URL of your pdf
or Postscript file.
Submission deadline is March 15, 2002. Decision on acceptance will
be sent to the authors by April 19, 2002.
Jim Delgrande (email@example.com), Simon Fraser University
Jon Doyle (firstname.lastname@example.org), North Carolina State University
Ulrich Junker (email@example.com), Ilog
Francesca Rossi (firstname.lastname@example.org), University of Padova
Torsten Schaub (email@example.com), University of Potsdam
Fahiem Bacchus, University of Toronto, Canada
Craig Boutilier, University of Toronto, Canada
Ronen Brafman, Ben-Gurion University, Israel
Gerd Brewka, University of Leipzig, Germany
Jim Delgrande, Simon Fraser University, Canada
Jon Doyle, North Carolina State University, USA
Eugene Freuder, University College Cork, Ireland
Michael Gelfond, University of Texas at El Paso, USA
Peter Haddawy, University of Wisconsin-Milwaukee, USA
Ulrich Junker, Ilog, France
Antonis Kakas, University of Cyprus, Cyprus
Jerome Lang, IRIT/UPS, France
Claude Le Pape, Ilog, France
David Poole, University of British Columbia, Canada
Francesca Rossi, University of Padova, Italy
Ken Satoh, National Institute of Informatics, Japan
Torsten Schaub, University of Potsdam, Germany
Thomas Schiex, INRA, France
Richmond Thomason, University of Michigan, USA
Submission dead-line ............. March 15, 2002
Notification to the authors ...... April 19, 2002
Camera-ready versions of paper ... May 3, 2002
AAAI-02 Workshop Program.......... July 28-29
Further information can be found on the web site of the workshop
1681, route des Dolines,
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