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ICDT
2009
ACM
125views Database» more  ICDT 2009»
15 years 10 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
IGPL
1998
127views more  IGPL 1998»
14 years 9 months ago
An Analysis of (Linear) Exponentials Based on Extended Sequents
We apply the 2-sequents approach to the analysis of several calculi derived from linear logic. We present a uniform formal system for Linear Logic, Elementary Linear Logic and Lig...
Stefano Guerrini, Simone Martini, Andrea Masini
DIAGRAMS
2010
Springer
14 years 10 months ago
Fragments of Spider Diagrams of Order and Their Relative Expressiveness
Abstract. Investigating the expressiveness of a diagrammatic logic provides insight into how its syntactic elements interact at the semantic level. Moreover, it allows for comparis...
Aidan Delaney, Gem Stapleton, John Taylor, Simon J...
FOIS
2006
14 years 11 months ago
PR-OWL: A Framework for Probabilistic Ontologies
Abstract. Across a wide range of domains, there is an urgent need for a wellfounded approach to incorporating uncertain and incomplete knowledge into formal domain ontologies. Alth...
Paulo Cesar G. da Costa, Kathryn B. Laskey