Disjunctive datalog.
We consider disjunctive Datalog, a powerful database query language based on disjunctive logic programming. Briefly, disjunctive Datalog is a variant of Datalog where disjunctions may appear in the rule heads; advanced versions also allow for negation in the bodies which can be handled according to...
| Vydáno v: | ACM transactions on database systems. 22, 3 (1997). |
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| Hlavní autor: | |
| Další autoři: | , |
| Médium: | Článek |
| Jazyk: | English |
| Témata: |