138 search results - page 1 / 28 » DATALOG with Nested Rules |
LPKR
1997
Springer
13 years 9 months ago
1997
Springer
Abstract. This paper presents an extension of disjunctive datalog (Datalog∨ ) by nested rules. Nested rules are (disjunctive) rules where elements of the head may be also rules. ...
ADBIS
2007
Springer
13 years 9 months ago
2007
Springer
In this paper we present a new fixpoint-based approach to bottom-up state generation for stratifiable disjunctive deductive databases. To this end, a new consequence operator based...
LICS
2008
IEEE
13 years 11 months ago
2008
IEEE
The study of constraint satisfaction problems definable in various fragments of Datalog has recently gained considerable importance. We consider constraint satisfaction problems ...
RULEML
2009
Springer
13 years 11 months ago
2009
Springer
LICS
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...