CFP: AAAI-WS on Preferences in AI and CP

From: Ulrich Junker (junker@nice.ilog.fr)
Date: Wed Jan 23 2002 - 17:21:24 MET

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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
    such as

     - 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
       approaches
     - 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
       implemented systems
     - identify challenging issues for future research on
       preferences

    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:

        http://www.aaai.org/Conferences/National/2002/aaai02.html

    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.

    FORMAT

    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

    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
    to ujunker@ilog.fr.

    SUBMISSIONS

    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:

        http://www.aaai.org/Publications/Author/authorinstructions.html
        http://www.aaai.org/Publications/Author/macros-link.html

    Please send your submission in form of a pdf or Postscript file to
    ujunker@ilog.fr. 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.

    ORGANIZING COMMITTEE

        Jim Delgrande (jim@cs.sfu.ca), Simon Fraser University
        Jon Doyle (doyle@csc.ncsu.edu), North Carolina State University
        Ulrich Junker (ujunker@ilog.fr), Ilog
        Francesca Rossi (frossi@math.unipd.it), University of Padova
        Torsten Schaub (torsten@cs.uni-potsdam.de), University of Potsdam

    PROGRAMM COMMITTEE

        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

    IMPORTANT DATES

        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

    Further information can be found on the web site of the workshop

        http://www.cs.sfu.ca/Conf/prefs02/

    CONTACT ADDRESS

    Ulrich Junker
    ILOG
    1681, route des Dolines,
    F-06560 Valbonne
    Phone: +33-492966201
    Fax: +33-492966162
    ujunker@ilog.fr

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