InforLorV4, Main, Exploration, bibRecord, 005C36

Keys, Nominals, and Concrete Domains

Identifieur interne : 005C36 ( Main/Exploration ); précédent : 005C35; suivant : 005C37

Keys, Nominals, and Concrete Domains

Auteurs : Carsten Lutz ; Carlos Areces [France] ; Ian Horrocks ; Ulrike Sattler

Source :

Journal of Artificial Intelligence Research [ 1076-9757 ] ; 2005.

RBID : Hal:inria-00000294

Abstract

Many description logics (DLs) combine knowledge representation on an abstract, logical level with an interface to 'concrete' domains like numbers and strings with built-in predicates such as >, +, and prefix-of. These hybrid DLs have turned out to be useful in several application areas, such as reasoning about conceptual database models. We propose to further extend such DLs with key constraints that allow the expression of statements like 'US citizens are uniquely identified by their social security number'. Based on this idea, we introduce a number of natural description logics and perform a detailed analysis of their decidability and computational complexity. It turns out that naive extensions with key constraints easily lead to undecidability, whereas more careful extensions yield NExpTime-complete DLs for a variety of useful concrete domains.

Url:

https://hal.inria.fr/inria-00000294

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 002D52
to stream Hal, to step Curation: 002D52
to stream Hal, to step Checkpoint: 004930
to stream Main, to step Merge: 006837
to stream Main, to step Curation: 005C36

Le document en format XML

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Keys, Nominals, and Concrete Domains

Keys, Nominals, and Concrete Domains

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri