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8th International Conference on
Logic Programming and Non Monotonic Reasoning
Diamante, Cosenza, Italy
September 5-8, 2005

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8th International Conference on
Logic Programming and Nonmonotonic Reasoning (LPNMR'05)
Diamante, Cosenza, Italy
September 5-8, 2005

LPNMR'05 is the eighth in the series of international meetings on logic programming and nonmonotonic reasoning. Seven previous meetings were held in Washington, D.C. (1991), in Lisbon, Portugal (1993), in Lexington, Kentucky (1995), in Dagstuhl, Germany (1997), in El Paso, Texas (1999), in Vienna, Austria (2001), and in Fort Lauderdale, Florida (2004).

LPNMR'05 will be organized by the Department of Mathematics of University of Calabria (Italy), and will be co-located with the INFOMIX Workshop on Data Integration.

The proceedings of the conference will be published in the Springer Verlag Lecture Notes in Computer Science series, see


LPNMR is a forum for exchanging ideas on declarative logic programming, nonmonotonic reasoning and knowledge representation. The aim of the conference is to facilitate interactions between researchers interested in the design and implementation of logic based programming languages and database systems, and researchers who work in the areas of knowledge representation and nonmonotonic reasoning.

LPNMR strives to encompass these theoretical and experimental studies that lead to the construction of practical systems for declarative programming and knowledge representation.

Authors are invited to submit papers presenting original and unpublished research on nonmonotonic aspects of logic programming and knowledge representation. We particularly encourage papers on LPNMR techniques which led to the development of significant applications.
A non-exhaustive list of topics of interest includes:
  1. Development and mathematical studies of logical systems with non-monotonic entailment relations:
    • Semantics of new and existing languages;
    • Relationships between formalisms;
    • Complexity and expressive power;
    • Development of inference algorithms and search heuristics for LPNMR systems;
    • Extensions of ''classical'' LPNMR languages by new logical connectives and new inference capabilities such as abduction, reasoning by cases, etc;
    • Updates and other operations on LPNMR systems;
    • Uncertainty in LPNMR systems.

  2. Implementation of LPNMR systems:
    • System descriptions, comparisons, evaluations;
    • LPNMR benchmarks.

  3. Applications of LPNMR systems:
    • LPNMR languages and algorithms in planning, diagnosis, software engineering, decision making, and other domains;
    • Applications of LPNMR languages in Data Integration and Exchange systems;
    • Methodology of representing knowledge in LPNMR languages: theory and practice;
    • Integration of LPNMR systems with other computational paradigms;
    • Embedded LPNMR systems: Systems using LPNMR subsystems.


As part of the technical program, we also plan a special session devoted to presentations and demonstrations of implemented nonmonotonic reasoning systems. Systems and applications demonstrations track will be announced in a distinct call.


Abstract Submission Deadline March 22, 2005, 23:59:59 GMT
Paper Submission Deadline March 25, 2005, 23:59:59 GMT
Notification (Accept/Reject) May 16, 2005
Conference Schedule June 6, 2005
Final Conference Papers June 10, 2005
Early Registration Deadline July 15, 2005


Papers must not exceed thirteen (13) pages including title page, references and figures, and must be formatted according to the Springer LNCS/LNAI authors' instructions. Papers must be written in English and present original research.
Paper submission is electronic via the conference home page


Chitta Baral (Arizona State University, USA)
Nicola Leone (University of Calabria, Italy)


Jose Alferes (New University of Lisbon, Portugal)
Leopoldo Bertossi (Carleton University, Canada)
Pedro Cabalar (Corunna University, Spain)
Gerhard Brewka (University of Leipzig, Germany)
Juergen Dix (Technical University of Clausthal, Germany)
Wolfgang Faber (University of Calabria, Italy)
Norman Foo (National ICT Australia and University of New South Wales, Australia)
Michael Gelfond (Texas Tech University, USA)
Antonis Kakas (University of Cyprus, Cyprus)
Katsumi Inoue (National Institute of Informatics, Japan)
Vladimir Lifschitz (University of Texas at Austin, USA)
Fangzhen Lin (The Hong Kong University of Science and Technology, China)
Ilkka Niemelš (Helsinki University of Technology, Finland)
David Pearce (Rey Juan Carlos University, Spain)
Alessandro Provetti (University of Messina, Italy)
Francesco Scarcello (University of Calabria, Italy)
Torsten Schaub (University of Potsdam, Germany)
Hans Tompits (Vienna University of Technology, Austria)
Francesca Toni (Imperial College, London, UK)
Mirek Truszczynski (University of Kentucky, USA)
Marina de Vos (University of Bath, United Kingdom)


Gianluigi Greco (University of Calabria, Italy)


Giovambattista Ianni (University of Calabria, Italy)
Giorgio Terracina (University of Calabria, Italy)


Call For Papers (zip)

Call For Papers (pdf)

Lpnmr Latest News
Registration form is now avalaible
Accommodation form is now avalaible
LPNMR'05 List of Accepted Works
Call for Systems and Applications
Papers Submission
Program Committee
Important Dates
Preliminary Call for Papers is avalaible to download