Abstract
This paper has two main objectives. One is to show that the dynamic knowledge representation paradigm introduced in [ALP+00] and the associated language LUPS, defined in [APPP 99], constitute na- tural, powerful and expressive tools for representing dynamically changing knowledge. We do so by demonstrating the applicability of the dynamic knowledge representation paradigm and the language LUPS to several broad knowledge representation domains, for each of which we provide an illustrative example.
Our second objective is to extend our approach to allow proper handling of conflicting updates. So far, our research on knowledge updates was restricted to a two-valued semantics, which, in the presence of conflict- ing updates, leads to an inconsistent update, even though the updated knowledge base does not necessarily contain any truly contradictory in- formation. By extending our approach to the three-valued semantics we gain the added expressiveness allowing us to express undefined or non- committal updates.
This work was partially supported by PRAXIS XXI project MENTAL, and a NATO scholarship while L. M. Pereira was on leave at the Department of Computer Science, University of California, Riverside. We thank João Leite for helpful discussions.
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José J. Alferes, João A. Leite, Luís M. Pereira, Halina Przymusinska, and Teodor C. Przymusinski. Dynamic updates of non-monotonic knowledge bases. Journal of Logic Programming, page (to appear), 2000. Extended abstract appeared in KR’98, pages 98–111. Morgan Kaufmann, 1998.
José J. Alferes, Luýs M. Pereira, Halina Przymusinska, and Teodor C. Przymusinski. LUPS-a language for updating logic programs. In LPNMR’99, Lecture Notes in AI 1730, pages 162–176. Springer, 1999.
C. V. Damásio and Luís M. Pereira. Default negated conclusions: why not? In R. Dyckhoff, H. Herre, and P. Schroeder-Heister, (editors), Int. Workshop on Extensions of Logic Programming (EL’96), number 1050 in LNAI, pages 103–117, 1996.
Abdel Ali Ed-Dbali and Pierre Deransart. Software formal specification by logic programming: The example of standard PROLOG. Research report, INRIA, Paris, France, 1993.
Gerard Ferrand and Pierre Deransart. Proof method of partial correctness and weak completeness for normal logic programs. Research report, INRIA, Paris, France, 1993.
M. Gelfond and V. Lifschitz. The stable model semantics for logic programming. In R. Kowalski and K. A. Bowen, (editors), ICLP’88. MIT Press, 1988.
Michael Gelfond and Vladimir Lifschitz. Representing Actions and Change by Logic Programs. Journal of Logic Programming, 17:301–322, 1993.
M. Gelfond and V. Lifschitz. Action languages. Linkoping Electronic Articles in Computer and Information Science, 3(16), 1998.
E. Giunchiglia and V. Lifschitz. An action language based on causal explanation: Preliminary report. In Proceedings AAAI-98, pages 623–630, 1998.
R. Kowalski. Legislation as logic programs. In Logic Programming in Action, pages 203–230. Springer-Verlag, 1992.
F. Lin. Embracing causality in specifying the indirect effects of actions. In IJCAI’95, pages 1985–1991. Morgan Kaufmann, 1995.
K. K. Lau and M. Ornaghi. The relationship between logic programs and specifications. Journal of Logic Programming, 30(3):239–257, 1997.
Lifschitz and Woo. Answer sets in general non-monotonic reasoning preliminary report. In B. Nebel, C. Rich, and W. Swartout, (editors), KR’92. Morgan-Kaufmann, 1992.
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Alferes, J.J., Pereira, L.M., Przymusinska, H., Przymusinski, T.C., Quaresma, P. (2000). Dynamic Knowledge Representation and Its Applications. In: Artificial Intelligence: Methodology, Systems, and Applications. AIMSA 2000. Lecture Notes in Computer Science, vol 1904. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45331-8_1
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DOI: https://doi.org/10.1007/3-540-45331-8_1
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