35 search results - page 1 / 7 » Characterization of Hierarchies and Some Operators in OLAP E... |
81
Voted
DOLAP
1999
ACM
15 years 3 months ago
1999
ACM
Recently numerous proposals for modelling and querying Multidimensional Databases (MDDB) are proposed. Among the still open problems there is a rigorous classification of the diff...
170
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ICDE
2008
IEEE
16 years 5 days ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
101
Voted
DEXA
2009
Springer
15 years 5 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
DOLAP
2004
ACM
15 years 4 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
110
Voted
DOLAP
2005
ACM
15 years 23 days ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...