25 search results - page 1 / 5 » Hypothetical Queries in an OLAP Environment |
VLDB
2000
ACM
13 years 8 months ago
2000
ACM
DAGSTUHL
1998
13 years 6 months ago
1998
Hypothetical queries are queries embedding hypotheses about the database. The embedded hypothesis in a hypothetical query indicates, so to say, a state of the database intended for...
DAWAK
2001
Springer
13 years 9 months ago
2001
Springer
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
One important way in which sampling for approximate query processing in a database environment differs from traditional applications of sampling is that in a database, it is feasi...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...