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» Knowledge Compilation for Description Logics
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SIVP
2008
127views more  SIVP 2008»
13 years 7 months ago
Image indexing and retrieval using expressive fuzzy description logics
Abstract The effective management and exploitation of multimedia documents requires the extraction of the underlying semantics. Multimedia analysis algorithms can produce fairly ri...
Nikos Simou, Thanos Athanasiadis, Giorgos Stoilos,...
LFCS
2009
Springer
14 years 2 months ago
Fuzzy Description Logic Reasoning Using a Fixpoint Algorithm
We present FixIt(ALC), a novel procedure for deciding knowledge base (KB) satisfiability in the Fuzzy Description Logic (FDL) ALC. FixIt(ALC) does not search for tree-structured m...
Uwe Keller, Stijn Heymans
SEMWEB
2009
Springer
14 years 1 days ago
Reasoning With Provenance, Trust and all that other Meta Knowlege in OWL
Abstract—For many tasks, such as the integration of knowledge bases in the semantic web, one must not only handle the knowledge itself, but also characterizations of this knowled...
Simon Schenk, Renata Queiroz Dividino, Steffen Sta...
IJPRAI
2000
108views more  IJPRAI 2000»
13 years 7 months ago
Knowledge Base Reformation: Preparing First-Order Theories for Efficient Propositional Reasoning
We present an approach to knowledge compilation that transforms a function-free first-order Horn knowledge base to propositional logic. This form of compilation is important since...
Helmut Prendinger, Mitsuru Ishizuka, Gerhard Schur...
CC
2006
Springer
125views System Software» more  CC 2006»
13 years 11 months ago
Converting Intermediate Code to Assembly Code Using Declarative Machine Descriptions
Abstract. Writing an optimizing back end is expensive, in part because it requires mastery of both a target machine and a compiler's internals. We separate these concerns by i...
João Dias, Norman Ramsey