8413 search results - page 1541 / 1683 » Ordering Problem Subgoals |
241
Voted
SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
164
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
150
Voted
SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
140
Voted
SIGMOD
2002
ACM
16 years 3 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
141
Voted
PODS
2007
ACM
16 years 3 months ago
2007
ACM
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...