2987 search results - page 242 / 598 » Multiobjective Query Optimization |
112
click to vote
DS
1997
15 years 3 months ago
1997
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...
196
Voted
SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
215
click to vote
SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
141
Voted
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Given a set of n query points in a general metric space, a metricspace skyline (MSS) query asks what are the closest points to all these query points in the database. Here, consid...
109
Voted
DEBU
2000
15 years 2 months ago
2000
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...