4234 search results - page 16 / 847 » OLAP on sequence data |
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Data warehouses have been successfully employed for assisting decision making by offering a global view of the enterprise data and providing mechanisms for On-Line Analytical proc...
DOLAP
2004
ACM
14 years 1 months ago
2004
ACM
Nowadays, decision support systems are evolving in order to handle complex data. Some recent works have shown the interest of combining on-line analysis processing (OLAP) and data...
IPPS
1998
IEEE
13 years 12 months ago
1998
IEEE
On-Line Analytical Processing techniques are used for data analysis and decision support systems. The multidimensionality of the underlying data is well represented by multidimens...
DAWAK
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
ISI
2002
Springer
13 years 7 months ago
2002
Springer
Dealing with large volumes of data, OLAP data cubes aggregated values are often spoiled by errors due to missing values in detailed data. This paper suggests to adjust aggregate an...