981 search results - page 87 / 197 » Negation in Spatial Reasoning |
CADE
2006
Springer
14 years 10 months ago
2006
Springer
We investigate whether identification constraints such as keys and functional dependencies can be granted full status as a concept constructor in a Boolean-complete description log...
LICS
1999
IEEE
14 years 2 months ago
1999
IEEE
The problem of defining and checking a subtype relation between recursive types was studied in [3] for a first order type system, but for second order systems, which combine subty...
CSL
1997
Springer
14 years 2 months ago
1997
Springer
We present a complete axiomatization of test algebra ( 24, 18, 29]), the two-sorted algebraic variant of Propositional Dynamic Logic (PDL, 21, 7]). The axiomatization consists of ...
CL
2000
Springer
14 years 1 months ago
2000
Springer
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...
CSL
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. Imposing an extensional uniformity condition on a non-uniform circuit complexity class C means simply intersecting C with a uniform class L. By contrast, the usual intens...