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SIVP
2008
127views more  SIVP 2008»
15 years 6 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,...
DLOG
2007
15 years 9 months ago
Blocking Automata for PSPACE DLs
In Description Logics (DLs), both tableau-based and automata-based algorithms are frequently used to show decidability and complexity results for basic inference problems such as c...
Franz Baader, Jan Hladik, Rafael Peñaloza
AI
2007
Springer
15 years 6 months ago
Audiences in argumentation frameworks
Although reasoning about what is the case has been the historic focus of logic, reasoning about what should be done is an equally important capacity for an intelligent agent. Reas...
Trevor J. M. Bench-Capon, Sylvie Doutre, Paul E. D...
DLOG
2008
15 years 9 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
TLDI
2009
ACM
169views Formal Methods» more  TLDI 2009»
16 years 3 months ago
Relational parametricity for references and recursive types
We present a possible world semantics for a call-by-value higherorder programming language with impredicative polymorphism, general references, and recursive types. The model is o...
Lars Birkedal, Kristian Støvring, Jacob Tha...