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ER
1995
Springer
152views Database» more  ER 1995»
13 years 11 months ago
A Logic Framework for a Semantics of Object-Oriented Data Modeling
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
Olga De Troyer, Robert Meersman
AI
1998
Springer
13 years 7 months ago
The Logical Foundations of Goal-Regression Planning in Autonomous Agents
This paper addresses the logical foundations of goal-regression planning in autonomous rational agents. It focuses mainly on three problems. The first is that goals and subgoals w...
John L. Pollock
FCCM
1997
IEEE
129views VLSI» more  FCCM 1997»
13 years 11 months ago
The Chimaera reconfigurable functional unit
By strictly separating reconfigurable logic from their host processor, current custom computing systems suffer from a significant communication bottleneck. In this paper we descri...
Scott Hauck, Thomas W. Fry, Matthew M. Hosler, Jef...
ICDT
2009
ACM
125views Database» more  ICDT 2009»
14 years 8 months ago
How big must complete XML query languages be?
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
Clemens Ley, Michael Benedikt
CORR
2010
Springer
139views Education» more  CORR 2010»
13 years 7 months ago
The Complexity of Satisfiability for Sub-Boolean Fragments of ALC
The standard reasoning problem, concept satisfiability, in the basic description logic ALC is PSPACE-complete, and it is EXPTIMEcomplete in the presence of unrestricted axioms. Sev...
Arne Meier, Thomas Schneider 0002