117 search results - page 3 / 24 » Compressing Data Cube in Parallel OLAP Systems |
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Recently there is much need of discovering useful knowledge from massive log-data which are generated by Webbased information systems. Such log-data have multiple attributes about...
KDD
1999
ACM
14 years 24 days ago
1999
ACM
Efficiently answering decision support queries is an important problem. Most of the work in this direction has been in the context of the data cube. Queries are efficiently answer...
VLDB
1999
ACM
14 years 24 days ago
1999
ACM
Many efficient algorithms to compute multidimensional aggregation and Cube for relational OLAP have been developed. However, to our knowledge, there is nothing to date in the lite...
EDBT
2004
ACM
14 years 8 months ago
2004
ACM
Abstract. Hierarchical clustering has been proved an effective means for physically organizing large fact tables since it reduces significantly the I/O cost during ad hoc OLAP quer...
DMDW
2001
13 years 10 months ago
2001
In this paper, we present SISYPHUS, a storage manager for data cubes that provides an efficient physical base for performing OLAP operations. On-Line Analytical Processing (OLAP) ...