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» Definability and automorphisms in abstract logics
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DEXA
2008
Springer
123views Database» more  DEXA 2008»
13 years 9 months ago
Evolutionary Clustering in Description Logics: Controlling Concept Formation and Drift in Ontologies
Abstract. We present a method based on clustering techniques to detect concept drift or novelty in a knowledge base expressed in Description Logics. The method exploits an effectiv...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito
ICFP
2009
ACM
14 years 8 months ago
Non-parametric parametricity
Type abstraction and intensional type analysis are features seemingly at odds--type abstraction is intended to guarantee parametricity and representation independence, while type ...
Georg Neis, Derek Dreyer, Andreas Rossberg
TEC
2002
94views more  TEC 2002»
13 years 7 months ago
Knowledge-intensive genetic discovery in foreign exchange markets
Abstract--This paper considers the discovery of trading decision models from high-frequency foreign exchange (FX) markets data using genetic programming (GP). It presents a domain-...
Siddhartha Bhattacharyya, Olivier V. Pictet, Gille...
JANCL
2008
170views more  JANCL 2008»
13 years 7 months ago
Algorithmic correspondence and completeness in modal logic
ABSTRACT. In [CON 06b] we introduced the algorithm SQEMA for computing first-order equivalents and proving canonicity of modal formulae, and thus established a very general corresp...
Willem Conradie, Valentin Goranko
FCSC
2010
170views more  FCSC 2010»
13 years 5 months ago
Formal verification of concurrent programs with read-write locks
Abstract Read-write locking is an important mechanism to improve concurrent granularity, but it is difficult to reason about the safety of concurrent programs with read-write locks...
Ming Fu, Yu Zhang, Yong Li