469 search results - page 12 / 94 » A High Performance Exact Histogram Specification Algorithm |
SIGMOD
1999
ACM
14 years 22 hour ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
In this paper, we present automated techniques for bootstrapping and populating specialized domain ontologies by organizing and mining a set of relevant overlapping Web sites prov...
CBMS
2004
IEEE
13 years 11 months ago
2004
IEEE
This paper presents the effects of image quality, given by the number of pixels used to define the image. A microaneurysm (MA) segmentation algorithm that has been shown to achiev...
BMCBI
2004
13 years 7 months ago
2004
Background: Recently, mass spectrometry data have been mined using a genetic algorithm to produce discriminatory models that distinguish healthy individuals from those with cancer...