550 search results - page 21 / 110 » A Logical Approach to Multidimensional Databases |
BTW
2007
Springer
14 years 1 months ago
2007
Springer
: Analysts interact with OLAP data in a predominantly “drill-down” fashion, i.e. gradually descending from a coarsely grained overview towards the desired level of detail. Anal...
DSS
2006
13 years 7 months ago
2006
Due to the sensitive data contained in Data Warehouses (DW), it is essential to specify security measures from the early stages of the DW design and enforce them. Traditional acce...
CAISE
2003
Springer
14 years 26 days ago
2003
Springer
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...
OWLED
2008
13 years 9 months ago
2008
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
KRDB
2003
13 years 9 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...