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» Derivatives of Logical Formulas
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AI
2008
Springer
14 years 11 months ago
Semiring induced valuation algebras: Exact and approximate local computation algorithms
Local computation in join trees or acyclic hypertrees has been shown to be linked to a particular algebraic structure, called valuation algebra. There are many models of this alge...
Jürg Kohlas, Nic Wilson
JIKM
2008
98views more  JIKM 2008»
14 years 11 months ago
Knowledge-Based Expert System Development and Validation with Petri Nets
Expert systems (ESs) are complex information systems that are expensive to build and difficult to validate. Numerous knowledge representation strategies such as rules, semantic net...
Madjid Tavana
CORR
2000
Springer
104views Education» more  CORR 2000»
14 years 10 months ago
ATLAS: A flexible and extensible architecture for linguistic annotation
We describe a formal model for annotating linguistic artifacts, from which we derive an application programming interface (API) to a tools for manipulating these annotations. The ...
Steven Bird, David Day, John S. Garofolo, John Hen...
NGC
1998
Springer
115views Communications» more  NGC 1998»
14 years 10 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
EMSOFT
2006
Springer
15 years 2 months ago
Modeling a system controller for timing analysis
Upper bounds on worst-case execution times, which are commonly called WCET, are a prerequisite for validating the temporal correctness of tasks in a real-time system. Due to the e...
Stephan Thesing