9 search results - page 1 / 2 » Logical Multidimensional Database Design for Ragged and Unba... |
DMDW
2001
13 years 5 months ago
2001
Research on logical design of OLAP cubes has tended to assume that the rollup hierarchy in a cube dimension takes the form of a balanced tree. However, experience from industry in...
DAWAK
2000
Springer
13 years 8 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
SAC
2006
ACM
13 years 10 months ago
2006
ACM
In the paper we describe the problem of grouping and aggregation in the concept-oriented data model. The model is based on ordering its elements within a hierarchical multidimensi...
DBPL
1997
Springer
13 years 8 months ago
1997
Springer
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
DOLAP
2006
ACM
13 years 10 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...