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» Semantic Context Reasoning Using Ontology Based Models
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GIS
2002
ACM
13 years 8 months ago
Metadata modeling in a global computing environment
Emerging computational paradigms such as global and ubiquitous computing require some rethinking and innovative research ideas in many computer science areas. In this work, we aim...
Dieter Pfoser, Evaggelia Pitoura, Nectaria Tryfona
DLOG
2004
13 years 10 months ago
A Uniform Tableaux-Based Approach to Concept Abduction and Contraction in ALN
We present algorithms based on truth-prefixed tableaux to solve both Concept Abduction and Contraction in ALN DL. We also analyze the computational complexity of the problems, sho...
Simona Colucci, Tommaso Di Noia, Eugenio Di Sciasc...
NGC
1998
Springer
115views Communications» more  NGC 1998»
13 years 8 months ago
On Semantic Resolution with Lemmaizing and Contraction and a Formal Treatment of Caching
Reducing redundancy in search has been a major concern for automated deduction. Subgoal-reduction strategies, such as those based on model elimination and implemented in Prolog te...
Maria Paola Bonacina, Jieh Hsiang
DIAGRAMS
2000
Springer
14 years 1 months ago
Positive Semantics of Projections in Venn-Euler Diagrams
Venn diagrams and Euler circles have long been used as a means of expressing relationships among sets using visual metaphors such as \disjointness" and \containment" of t...
Joseph Gil, John Howse, Elena Tulchinsky
IEEESCC
2005
IEEE
14 years 2 months ago
Web Services Composition: A Story of Models, Automata, and Logics
eal world”, represented abstractly using (time-varying) first-order logic predicates and terms. A representative composition result [11] here uses a translation into Petri nets. ...
Richard Hull