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153
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LICS
1999
IEEE
15 years 8 months ago
First-Order Logic vs. Fixed-Point Logic in Finite Set Theory
The ordered conjecture states that least fixed-point logic LFP is strictly more expressive than first-order logic FO on every infinite class of ordered finite structures. It has b...
Albert Atserias, Phokion G. Kolaitis
CADE
2004
Springer
16 years 3 months ago
Sonic - Non-standard Inferences Go OilEd
Sonic1 is the first prototype implementation of non-standard inferences for Description Logics usable via a graphical user interface. The contribution of our implementation is twof...
Anni-Yasmin Turhan, Christian Kissig
169
Voted
EUROPLOP
2006
15 years 5 months ago
Business Logic in the Presentation Layer - Design Patterns on the Implementation of Business Logic on the Client-Side
Abstract: As a general rule of thumb, business logic in a multi-layered information system should be implemented in a dedicated domain layer and be separated from the presentation ...
Tim Wellhausen
102
Voted
CADE
2002
Springer
16 years 3 months ago
The Reflection Theorem: A Study in Meta-theoretic Reasoning
The reflection theorem has been proved using Isabelle/ZF. This theorem cannot be expressed in ZF, and its proof requires reasoning at the meta-level. There is a particularly elegan...
Lawrence C. Paulson
131
Voted
DLOG
2003
15 years 5 months ago
Explanation of Terminological Reasoning: A Preliminary Report
This paper describes our current activities to supply extended reasoning support to knowledge engineers who are building terminologies using Description Logics (DL) reasoners. The...
Stefan Schlobach, Ronald Cornet