122 search results - page 1 / 25 » A new OLAP aggregation based on the AHC technique |
DOLAP
2004
ACM
13 years 10 months ago
2004
ACM
Nowadays, decision support systems are evolving in order to handle complex data. Some recent works have shown the interest of combining on-line analysis processing (OLAP) and data...
DMDW
2000
13 years 6 months ago
2000
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
DEXA
2009
Springer
13 years 11 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...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
IPPS
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper we propose a new query processing method for the OLAP Enabled Grid, which blends sophisticated cache extraction techniques and data grid scheduling to efficiently s...