6 search results - page 1 / 2 » Summary Grids: Building Accurate Multidimensional Histograms |
DASFAA
1999
IEEE
13 years 8 months ago
1999
IEEE
Data summarization is very important for many data analysis tasks. In this paper we propose a simple but efficient data summarization algorithm, which outputs a histogram for mult...
ICDE
2006
IEEE
14 years 5 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
IEEEICCI
2009
IEEE
13 years 2 months ago
2009
IEEE
Abstract-In this paper, we construct a neural-inspired computational model based on the representational capabilities of receptive fields. The proposed model, known as Shape Encodi...
SIGMOD
2002
ACM
14 years 4 months ago
2002
ACM
The availability of summary data for XML documents has many applications, from providing users with quick feedback about their queries, to cost-based storage design and query opti...
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...