39 search results - page 1 / 8 » Logical Database Design with Inclusion Dependencies |
ICDE
1992
IEEE
13 years 9 months ago
1992
IEEE
Contrary to popular belief, relation schemes in good classical normal forms are not necessarily devoid of redundancies. This arises from the fact that classical data dependencies ...
CASCON
2004
13 years 6 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
ADC
2006
Springer
13 years 11 months ago
2006
Springer
We extend Fagin’s result on the equivalence between functional dependencies in relational databases and propositional Horn clauses. It is shown that this equivalence still holds...
DBPL
2001
Springer
13 years 9 months ago
2001
Springer
Abstract. We present a simple Data Mining Logic (DML) that can express common data mining tasks, like “Find Boolean association rules” or “Find inclusion dependencies.” At ...
APAL
2008
13 years 5 months ago
2008
We extend the earlier results on the equivalence between the Boolean and the multivalued dependencies in relational databases and fragments of the Boolean propositional logic. It ...