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» Extended First-Order Logic
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AI
2000
Springer
15 years 2 months ago
On the Integration of Recursive ALN-Theories
Abstract. In this paper we focus on the problem of integrating knowledge bases expressed in a description logic. To this end, we propose three basic operations: union, intersection...
Aida Vitória, Margarida Mamede
CL
2000
Springer
15 years 2 months ago
Querying Inconsistent Databases: Algorithms and Implementation
In this paper, an algorithm for obtaining consistent answers to queries posed to inconsistent relational databases is presented. The algorith is proven to be sound, terminating and...
Alexander Celle, Leopoldo E. Bertossi
LICS
1999
IEEE
15 years 2 months ago
Some Decision Problems of Enormous Complexity
We present some new decision and comparison problems of unusually high computational complexity. Most of the problems are strictly combinatorial in nature; others involve basic lo...
Harvey Friedman
VL
1999
IEEE
120views Visual Languages» more  VL 1999»
15 years 2 months ago
Formalizing Spider Diagrams
Geared to complement UML and to the specification of large software systems by non-mathematicians, spider diagrams are a visual language that generalizes the popular and intuitive...
Joseph Gil, John Howse, Stuart Kent
WETICE
1999
IEEE
15 years 2 months ago
Active Hypertext for Distributed Web Applications
The prevailing architecture for web-based applications relies on HTML, HTTP and loosely integrated functional elements, propagating a strong distinction between client and server....
Eckhart Köppen, Gustaf Neumann