1008 search results - page 6 / 202 » Logic and Databases |
ADBIS
2005
Springer
14 years 1 months ago
2005
Springer
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
DKE
1999
13 years 7 months ago
1999
In this paper, we propose a formal model for multilevel databases. This model aims at being a generic model, that is it can be interpreted for any kind of database (relational, ob...
ER
2007
Springer
14 years 1 months ago
2007
Springer
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
EDBT
1998
ACM
13 years 12 months ago
1998
ACM
In this paper we present MD, a logical model for OLAP systems, and show how it can be used in the design of multidimensional databases. Unlike other models for multidimensional dat...