3269 search results - page 314 / 654 » Query Optimization for XML |
242
click to vote
SIGMOD
2006
ACM
16 years 5 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....
245
Voted
SIGMOD
2005
ACM
16 years 5 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...
169
click to vote
EDBT
2009
ACM
15 years 8 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...
137
click to vote
DEBU
2000
15 years 4 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...
137
click to vote
WEBI
2005
Springer
15 years 10 months ago
2005
Springer
This paper addresses the adaptation of dynamic and synchronized multimedia presentations built by querying XML compatible data sources. We provide WIS designers with facilities fo...