3244 search results - page 227 / 649 » Extensions to Description Logics |
242
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CORR
2011
Springer
14 years 10 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical Frege-Russell’s doctrine that an idea (logic formula) has both an extension and an intension. Al...
187
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LFCS
2009
Springer
16 years 1 months ago
2009
Springer
This work defines an extension CERES2 of the first-order cut-elimination method CERES to the subclass of sequent calculus proofs in second-order logic using quantifier-free comp...
148
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IANDC
2007
15 years 6 months ago
2007
In many cases, the addition of metric operators to qualitative temporal logics (TLs) increases the complexity of satisfiability by at least one exponential: while common qualitat...
161
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PODS
2000
ACM
15 years 11 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
174
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FROCOS
2007
Springer
16 years 20 days ago
2007
Springer
In abstract algebra, a structure is said to be Noetherian if it does not admit infinite strictly ascending chains of congruences. In this paper, we adapt this notion to first-ord...