Querying logical databases
- 31 October 1986
- journal article
- Published by Elsevier in Journal of Computer and System Sciences
- Vol. 33 (2), 142-160
- https://doi.org/10.1016/0022-0000(86)90016-4
Abstract
No abstract availableKeywords
This publication has 6 references indexed in Scilit:
- A sound and sometimes complete query evaluation algorithm for relational databases with null valuesJournal of the ACM, 1986
- Structure and complexity of relational queriesJournal of Computer and System Sciences, 1982
- A logic for default reasoningArtificial Intelligence, 1980
- Null values in a relational data baseInformation Processing Letters, 1977
- The polynomial-time hierarchyTheoretical Computer Science, 1976
- Impossibility of an algorithm for the decision problem in finite classesAmerican Mathematical Society Translations: Series 2, 1963