122 search results - page 5 / 25 » A new OLAP aggregation based on the AHC technique |
VLDB
2004
ACM
14 years 7 months ago
2004
ACM
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
SSDBM
2003
IEEE
14 years 27 days ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
TVCG
2010
13 years 6 months ago
2010
—We present a model for building, visualizing, and interacting with multiscale representations of information visualization techniques using hierarchical aggregation. The motivat...
SEBD
2004
13 years 9 months ago
2004
Abstract. The need to compress data into synopses of summarized information often arises in many application scenarios, where the aim is to retrieve aggregate data efficiently, pos...
AI
2004
Springer
14 years 1 months ago
2004
Springer
To address the of mining a huge volume of geographically distributed databases, we propose two approaches. The first one is to download only a sample of each database. The second ...