41 search results - page 2 / 9 » Efficient Execution of Range-Aggregate Queries in Data Wareh... |
SIGMOD
2005
ACM
14 years 5 months ago
2005
ACM
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native XML database management systems currently bear limited p...
DAWAK
2005
Springer
13 years 10 months ago
2005
Springer
This paper proposes the compression of data in Relational Database Management Systems (RDBMS) using existing text compression algorithms. Although the technique proposed is general...
DAWAK
2001
Springer
13 years 9 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
DKE
2002
13 years 5 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...