2858 search results - page 25 / 572 » Logics with Aggregate Operators |
ATAL
2007
Springer
13 years 11 months ago
2007
Springer
Merging operators try to define the beliefs of a group of agents according to the beliefs of each member of the group. Several model-based propositional belief merging operators h...
FROCOS
2009
Springer
14 years 2 months ago
2009
Springer
Motivated by applications in software verification, we explore automated reasoning about the non-disjoint combination of theories of infinitely many finite structures, where the...
LICS
2009
IEEE
14 years 2 months ago
2009
IEEE
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
IJAR
2007
13 years 7 months ago
2007
In order to handle inconsistent knowledge bases in a reasonable way, one needs a logic which allows nontrivial inconsistent theories. Logics of this sort are called paraconsistent...
PODS
1999
ACM
13 years 11 months ago
1999
ACM
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...