35 search results - page 2 / 7 » Selecting and Using Views to Compute Aggregate Queries (Exte... |
SSD
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
LCPC
2004
Springer
13 years 10 months ago
2004
Springer
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
CHI
1994
ACM
13 years 9 months ago
1994
ACM
When working with large data sets, users perform three primary types of activities: data manipulation, data analysis, and data visualization. The data manipulation process involve...
SIGMOD
2001
ACM
14 years 5 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...