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CFP: IJCAI'97 Workshop Programming in Temporal and Non Classical Logics, csp-list@cert.fr

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		   CALL FOR PAPERS AND PARTICIPATION 

        Workshop on PROGRAMMING IN TEMPORAL AND NON CLASSICAL LOGICS	

	                  to be held as part of 
       15th International Joint Conference on Artificial Intelligence
                               (IJCAI-97) 
	         
		             Nagoya, Japan, 
		     23th, 24th, or 25 August 1997	
	

Temporal logics originating in philosophy and formal linguistics have
been intensively investigated within both AI and traditional Computer
Science. A variety of different approaches and formalisms have been
developed, some of them admitting and supporting automated reasoning
techniques and having strong similarities to those which have evolved
in the context of classical logic. Executable fragments of these
logics have been proposed in order to provide more appropriate logical
techniques for dealing with change in time. 

Basically, two different approaches to execution of the temporal logic
formalism have evolved. The first, which is compatible with the
classical logic programming paradigm, is aimed towards a logical basis
for temporal databases and knowledge based systems for reasoning about
time and, to be more general, a robust basis for the development of
advanced AI systems. Its execution is based on deduction in tractable
fragments of suitable temporal logics. The second approach is more
motivated by a classical computer science problem, namely to define
and develop a uniform framework for programming and verification of
computer programs, especially those relying on imperative and reactive
behavior. Execution within this second approach corresponds to model
construction of the formulae in question and is based on the so called
imperative future approach. A renewed interest on programming
paradigms based on non classical logics has also been stimulated
recently by new issues in the context of concurrent constraint logic
programming, (temporal) deductive databases, programming of reactive
systems, embedded AI systems and multi-agent systems.


WORKSHOPS AIMS
--------------

The aim of this workshop is to provide a forum both for the exchange
of ideas and for the identification of the potential roles and nature
of the emerging paradigm of Executable Temporal and Non Classical
Logics. Our intention is to bring together researchers in this area,
to identify common ground, relevant experiences, applications, open
problems and possible future developments. In particular, we wish to
encourage cross-fertilization between different approaches and to
improve the understanding of (tractable) execution of temporal
logics. Special emphasis will be given to the study of computation
models in the context of Artificial Intelligence, and to new
approaches to programming in the context of programming of reactive
and embedded AI systems.


AREAS OF INTEREST
-----------------

This workshop will build upon the 1993 Workshop on Executable Modal
and Temporal Logics that was organized as part of IJCAI-93, and the
1995 Workshop on Executable Temporal Logics  organized as part
of IJCAI-95. Topics of interest include, but are not limited to,

       * theoretical issues in executable temporal logics
       * relationship between execution and temporal theorem-proving
       * relationship of executable temporal logics to (temporal) databases   
       * design of executable temporal logics
       * operational models and implementation techniques
       * programming support and environments
       * comparative studies of languages
       * applications and case studies


WORKSHOP PARTICIPATION
----------------------

To encourage informal interaction and the exchange of ideas,
attendance will be limited to approximately 30 invited participants.
Those wishing to attend are encouraged to submit either
 
 (a) an extended abstract (of no more than 5000 words) describing
     relevant preliminary or completed work to be presented at the 
     workshop by March 1st, 1997, or,
 
 (b) a statement of interest consisting of a single page description
     of research interests and current work, to be used to demonstrate
     the ability of the non-presenting participants to contribute to
     the discussions by April 25th 1997. 
 
Selected participants will be asked to provide complete papers to be
distributed as preprints to the workshop participants.
 

SUBMISSION DETAILS
------------------

All submissions should include: author's name(s), affiliation,
(complete) mailing address, phone and fax number, and e-mail
address. Preferably, the submission should be sent in Postscript
format (uuencoded, gzipped/compressed) by email to either of the
programme chairs below. The deadline for receipt of submissions is
March 1st 1997.

        Christoph Brzoska                    Email: brzoska@ira.uka.de
        Department of Computer Science         Tel: (+49) 721 608 35 64
        University of Karlsruhe                Fax: (+49) 721 60 77 21
        P.O. Box 69 80
        D-76128 Karlsruhe, Germany

        
        Michael Fisher                       Email: M.Fisher@doc.mmu.ac.uk
        Department of Computing                Tel: (+44) 161 247 1488
        Manchester Metropolitan University     Fax: (+44) 161 247 1483
        Chester Street
        Manchester  M1 5GD, United Kingdom
 

Alternatively, five (5) paper copies of all submitted materials may be
sent to either of the programme chairs.


WORKSHOP PROGRAMME COMMITTE
---------------------------

Marianne Baudinet             (Free University of Brussels, Belgium)
Christoph Brzoska [co-chair]  (Karlsruhe University, Germany)
Thom Fruehwirth               (Ludwig Maximilians University, Germany) 
Michael Fisher    [co-chair]  (Manchester Metropolitan University, UK)   
Rajeev Gore		      (Australian National University, Australia)  
Vineet Gupta		      (Xerox Palo Alto Research Center, USA)
Shinji Kono                   (University of the Ryukyus, Japan)
Stephan Merz                  (Ludwig Maximilians University, Germany) 
Ben Moszkowski                (Newcastle University, UK)
Vijay Saraswat                (AT & T Research Labs, USA) 
Karl Sch\"afer		      (Karlsruhe University, Germany)
Mehmet Orgun                  (Macquarie University, Australia)



Papers will be refereed and notification of acceptance will be given
by March 21th 1997. Authors of accepted papers will then be given the
opportunity to revise their papers prior to the final submission (due
April 15th, 1997).
 

IMPORTANT DATES
--------------
 
   Deadline for paper Submissions:                 March 1st, 1997
   Author notification by:                         March 21st, 1997
   Camera ready version of the paper due:          April 15th, 1997
   Deadline for statements of interest:            April 25th, 1997
   Workshop:                                       during August 23-25, 1997
 

Copies of accepted papers will be provided as a pre-proceedings by the IJCAI 
organizers at the workshop itself. 


PUBLICATION
-----------

The proceedings of the 1993 IJCAI workshop on Executable Modal and
Temporal Logics were published by Springer-Verlag as a volume in the
Lecture Notes in Artificial Intelligence series, while revised
contributions from the 1995 IJCAI workshop on Executable Temporal
Logics are appearing in a special issue of the Journal of Symbolic
Computation. Our intention is again to publish polished versions of
the papers from the workshop proceedings. Selected contributions
of the 1997 workshop may be considered for publication by
Springer-Verlag as a special volume in the LNAI series. 

COSTS
-----

All workshop participants will be required to be registered to the
main IJCAI'97 conference. An additional fee of $US  50 will be charged
to cover costs of the workshop. 


ADDITIONAL INFORMATION
----------------------

Information about IJCAI'97 can be accessed via the IJCAI home page:

        http://www.ijcai.org/ijcai-97/
        
Information about the workshop will be available via

        http://iseran.ira.uka.de/~brzoska/ijcai97tlp.html. 



-- 
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Christoph Brzoska				
Institute for logic, complexity, and deductive systems
University of Karlsruhe				Phone: + 49 721 608 35 64
P.O.Box 69 80		                  	Fax:   + 49 721 60 77 21
D - 76128 Karlsruhe, Germany			E-mail: brzoska@ira.uka.de
URL: iseran.ira.uka.de/~brzoska
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