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CL
2000
Springer
15 years 8 months ago
FLORA: Implementing an Efficient DOOD System Using a Tabling Logic Engine
This paper reports on the design and implementation of FLORA -- a powerful DOOD system that incorporates the features of F-logic, HiLog, and Transaction Logic. FLORA is implemented...
Guizhen Yang, Michael Kifer
DLOG
2007
15 years 7 months ago
Modal Logic Applied to Query Answering and the Case for Variable Modalities
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...
Evgeny Zolin
DLOG
2007
15 years 7 months ago
On Ordering Descriptions in a Description Logic
We introduce a description language for specifying partial ordering relations over concept descriptions in description logics, and show how the language can be used in combination ...
Jeffrey Pound, Lubomir Stanchev, David Toman, Gran...
DLOG
2008
15 years 7 months ago
A Survey of Revision Approaches in Description Logics
Abstract. Revision of a Description Logic-based ontology to incorporate newly received information consistently is an important problem for the lifecycle of ontologies. Many approa...
Guilin Qi, Fangkai Yang
CSL
2008
Springer
15 years 6 months ago
Non-finite Axiomatizability and Undecidability of Interval Temporal Logics with C, D, and T
Interval logics are an important area of computer science. Although attention has been mainly focused on unary operators, an early work by Venema (1991) introduced an expressively ...
Ian Hodkinson, Angelo Montanari, Guido Sciavicco