117 search results - page 7 / 24 » Compressing Data Cube in Parallel OLAP Systems |
DOLAP
2003
ACM
14 years 1 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
DOLAP
2006
ACM
14 years 2 months ago
2006
ACM
On-line analytical processing (OLAP) provides tools to explore and navigate into data cubes in order to extract interesting information. Nevertheless, OLAP is not capable of expla...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
DOLAP
2004
ACM
14 years 2 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
SPE
2008
13 years 8 months ago
2008
: Integration of multiple data sources is becoming increasingly important for enterprises that cooperate closely with their partners for e-commerce. OLAP enables analysts and decis...