CFP: International Workshop on Hybrid Logic 2006 (HyLo 2006)

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                       FIRST CALL FOR PAPERS 
      International Workshop on Hybrid Logic 2006 (HyLo 2006)
                      Affiliated with LICS 2006 
                   August 11, 2006, Seattle, USA
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AIMS AND SCOPE:

Hybrid logic is a branch of modal logic in which it is possible to
directly refer to worlds/times/states or whatever the elements of
the (Kripke) model are meant to represent. Although they date back
to the late 1960s, and have been sporadically investigated ever
since, it is only in the 1990s that work on them really got into 
its stride.

It is easy to justify interest in hybrid logic on applied grounds,
because of the usefulness of the additional expressive power.
For example, when reasoning about time one often wants to build 
up a series of assertions about what happens at a particular 
instant,and standard modal formalisms do not allow this. What is 
less obvious is that the route hybrid logic takes to overcome 
this problem (the basic mechanism being to add nominals --- 
atomic symbols true at a unique point --- together with extra 
modalities to exploit them) often actually improves the behavior 
of the underlying modal formalism. For example, it becomes far 
simpler to formulate modal tableau, resolution, and natural 
deduction in hybrid logic, and completeness and interpolation 
results can be proved of a generality that is not available in 
orthodox modal logic.

Hybrid logic is now a mature field, therefore a theme of special
interest at this HyLo workshop will be the combination of hybrid
logic with other logics, the basic methodological question being
"what is the best way of hybridizing a given logic?" However,
submissions in all areas of hybrid logic are welcome.

The workshop HyLo 2006 is likely to be relevant to a wide range of
people, including those interested in description logic, feature 
logic, applied modal logics, temporal logic, and labelled 
deduction. The workshop continues a series of previous workshops 
on hybrid logic, for example the LICS-affiliated HyLo 2002 
(http://floc02.diku.dk/HYLO) which was held as part of FLoC 2002, 
Copenhagen, Denmark. If you are unsure whether your work is of 
relevance to the workshop, please do not hesitate to contact the 
workshop organizers for more information. Contact details are 
given below.

For more general background on hybrid logic, and many of the key
papers, see the Hybrid Logics homepage (http://hylo.loria.fr/).

PROGRAM COMMITTEE:

Carlos Areces (INRIA Lorraine, France)
Patrick Blackburn (INRIA Lorraine, France)
Thomas Bolander (Technical University of Denmark)
Torben Braüner (Roskilde University, Denmark) --- Chair
Valeria de Paiva (PARC, USA)
Melvin Fitting (Lehman College, New York, USA)
Balder ten Cate (University of Amsterdam, The Netherlands)
Jørgen Villadsen (Roskilde University, Denmark)

SUBMISSIONS:

We invite the contribution of papers reporting new work from
researchers interested in hybrid logic. Details about the 
submission procedure will be announced in the second call for 
papers (note that the dates below are tentative).

The workshop proceedings have been accepted for publication in 
ENTCS (http://www.elsevier.com/locate/entcs/). A preliminary 
version of the proceedings will also be distributed at the 
workshop. One author for each accepted paper must attend the 
workshop in order to present the paper.

IMPORTANT DATES (TENTATIVE):

Deadline for submissions: May 26, 2006
Notification of acceptance: June 23, 2006
Deadline for final versions: July 21, 2006

CONTACT DETAILS:

See the workshop homepage (http://hylomol.ruc.dk/HyLo2006) for
further information. Please send all correspondence regarding the
workshop to the organizers:
     
Patrick Blackburn
http://www.loria.fr/~blackbur/

Thomas Bolander
http://www.imm.dtu.dk/~tb/

Torben Braüner --- Chair
http://www.ruc.dk/~torben/

Valeria de Paiva
http://www.cs.bham.ac.uk/~vdp/

Jørgen Villadsen
http://www.ruc.dk/~jv/
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