754 search results - page 129 / 151 » Nested Expressions in Logic Programs |
AMW
2010
13 years 9 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
IADIS
2004
13 years 9 months ago
2004
The PolicyUpdater1 system is a generic access control system that provides policy evaluations and dynamic policy updates. These functions are achieved by the use of a logic-based ...
ATAL
2010
Springer
13 years 9 months ago
2010
Springer
We present a new approach for finding generalized contingent plans with loops and branches in situations where there is uncertainty in state properties and object quantities, but ...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
Requirements about the quality of clinical guidelines can be represented by schemata borrowed from the theory of abductive diagnosis, using temporal logic to model the time-orient...
COMMA
2010
13 years 2 months ago
2010
Abstract. Constrained argumentation frameworks (CAF) generalize Dung's frameworks by allowing additional constraints on arguments to be taken into account in the definition of...