9 search results - page 1 / 2 » Attribute value reordering for efficient hybrid OLAP |
DOLAP
2003
ACM
13 years 9 months ago
2003
ACM
The normalization of a data cube is the process of choosing an ordering for the attribute values, and the chosen ordering will affect the physical storage of the cube’s data. For...
CASCON
2001
13 years 5 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
SIGMOD
2008
ACM
13 years 4 months ago
2008
ACM
OLAP is an important tool in decision support. With the help of domain knowledge, such as hierarchies of attribute values, OLAP helps the user observe the effects of various decis...
SIGMOD
2008
ACM
14 years 4 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...