1971 search results - page 4 / 395 » A clustering method that uses lossy aggregation of data |
WWW
2010
ACM
13 years 11 months ago
2010
ACM
This paper presents a technique for visualizing large spatial data sets in Web Mapping Systems (WMS). The technique creates a hierarchical clustering tree, which is subsequently u...
ICDE
2002
IEEE
14 years 17 days ago
2002
IEEE
We consider the use of data reduction techniques for the problem of approximate query answering. We focus on applications for which accurate answers to selective queries are requi...
DEXA
2009
Springer
14 years 2 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...
HICSS
2010
IEEE
14 years 2 months ago
2010
IEEE
The disparity between data collected in rural and urban counties is often detrimental in the appropriate analysis of cancer care statistics. Low counts drastically affect the inci...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...